JP2017117323A - Road management system and method, road information collection device and program, and road information management device and program - Google Patents

Abstract

PROBLEM TO BE SOLVED: To quantitatively analyze the necessity of repair and the improvement of a road.SOLUTION: A road survey officer conducts the field inspection of a road state, and inputs a survey result of a pedestrian view point and a driver view point to a road state database by using a road information collection device 10. A road carte creation function 60 of the road information collection device 40 summarizes an evaluation for each road into a road carte 62 from a road state DB58 accumulating the survey result. A portfolio analysis function 64 performs a portfolio analysis for a total evaluation point 59 by a pedestrian view point and a driver view point. A CPU 42 of a road information management device 40 performs zoning and a zoning display on one or more items subjected to the portfolio analysis from among a plurality of survey items in association with a first index ((a level of the satisfaction) showing a magnitude of contribution to a total evaluation point 59 and a second index (a level of the influence) showing an evaluation value average point of this survey item according to the analysis result of the portfolio analysis.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a road management system and method, a road information collection device and program, and a road information management device and program. More specifically, a road administrator such as a local government can effectively perform road repairs. The present invention relates to a road management system and method for supporting road management, a road information collection device and program, and a road information management device and program.

  The road manager needs to repair the road in a timely manner and change the road usage environment as time passes and usage conditions change. For example, if there is a road surface depression on a road where automobiles are frequently used, it must be repaired at an early stage. Even in narrow roads where electronic poles are standing on the road surface, if it is used exclusively for pedestrians, it will not be much of an obstacle, but if the use of cars progresses, The removal of telegraph poles must also be considered from a safety standpoint. It is also necessary to drain the road surface well against localized intensive rain called guerrilla heavy rain.

  Patent Document 1 describes that the priority of repair is calculated based on the importance and damage degree of a road, and the priority is output together with information for specifying a repair target.

  Patent Document 2 describes that road damage situation-related information, a photographed photograph including a damaged portion, and damage position information are transmitted to a report information providing server using a mobile terminal.

  In Patent Document 3, the road surface condition is evaluated based on the information (paragraph 0016) indicating the road surface damage state collected by the inspection work, and the repair area that needs repair is determined. It is described that when the distance between each other is equal to or less than the threshold value, a continuous area including both of the required repair sections is set as the repair work section.

  In Patent Document 4, a GPS receiver, an inertial measuring instrument, a camera and a laser scanner are mounted on a road, and a three-dimensional position is measured with the GPS receiver and the inertial measuring instrument while the vehicle is mounted on the road surface. Techniques for measuring are described.

JP 2005-182646 A JP 2007-065854 A JP 2008-297664 A JP2015-090345A

  The user's perspective cannot be ignored for road repair and improvement. There are pedestrians and vehicle drivers among users, and it is necessary to quantitatively determine the priority of repair and improvement from the viewpoints of both. In particular, it is necessary to make pedestrians safe on living roads, and in an aging society, there is a high need for maintaining a flat road surface. It is necessary to pay attention to the drainage function against recent guerrilla rainstorms.

  Thus, there are various items to be repaired / improved depending on the viewpoint, and it is necessary to objectively determine which item should be preferentially dealt with.

  The road manager is usually a local government, and an appropriate objective and quantitative explanation for taxpayers or users is desired. However, the conventional system has not been able to satisfy such a demand sufficiently.

  It is an object of the present invention to present a road management system and method, a road information collection device and program, and a road information management device and program that satisfy such a demand.

  A road management system according to the present invention stores a road information collection device that inputs a road situation survey result of a pedestrian viewpoint and a driver viewpoint into a road situation database, and accumulates a survey result collected by the road information collection device, A road management system having a road information management device for analysis and evaluation, wherein the road information collection device outputs a means for referring to map data of a survey commission target area, a positioning means for positioning a current position, and a current date and time. Display a map including the survey target route of the survey target area and the viewpoint identification information indicating whether it is a pedestrian viewpoint or a driver viewpoint, and an input screen that prompts input of a plurality of survey items of the survey target route The viewpoint identification information is input to the display means and the input screen. For each of the plurality of survey items, a numerical value is input to the survey item for numerical input, For the review items, there are input means for inputting an evaluation value by selecting one of a plurality of options, viewpoint identification information input on the input screen, information indicating numerical values and evaluation values, and a survey person in charge The road information management device comprises the information to be identified and the writing means for writing the information indicating the current date and time by the timer into the record indicating the survey target route in the road status database, The portfolio analysis means for analyzing the portfolio from the pedestrian viewpoint and the driver viewpoint with respect to the overall evaluation score, and according to the analysis result of the portfolio analysis means, one or more of the portfolio analysis among the plurality of survey items, About the first indicator that shows the magnitude of contribution to the overall evaluation point and the second indicator that shows the average evaluation value of the survey items here, Grayed, characterized by comprising a zoning means for zone display.

  In the road management method according to the present invention, the road conditions of roads in the survey target area are surveyed for a plurality of survey items, and evaluation values from the pedestrian viewpoint and the driver viewpoint for the plurality of survey items for each road A road information collection step for inputting to the situation database, a road chart creation step for creating a road chart showing the survey results of the plurality of survey items in units of routes from the data of the road situation database, and the road chart for the plurality of roads. Refer to the portfolio analysis step for portfolio evaluation of the evaluation values of the plurality of roads from the pedestrian viewpoint and the driver viewpoint for the overall evaluation point, and a plurality of survey items according to the analysis result of the portfolio analysis step. A first index indicating the magnitude of the contribution to the overall evaluation score, at least one of which was analyzed in the portfolio; Zoned for the second index indicating the evaluation value average point of the study item, and having a zoning step of zone display.

  A road information collection device according to the present invention is a road information collection device for inputting a road situation survey result of a pedestrian viewpoint and a driver viewpoint to a road situation database, and means for referring to map data of a survey commission target area; , A positioning means for positioning the current position, a timer for outputting the current date and time, a map including the survey target route in the survey target area, and viewpoint identification information indicating whether the viewpoint is a pedestrian viewpoint or a driver viewpoint, and the target survey route Display means for prompting input of a plurality of survey items, and the viewpoint identification information is input to the input screen, and a numerical value is entered for each of the plurality of survey items. In the selection item to be selected, input means for inputting an evaluation value by selecting one of a plurality of options, viewpoint identification information, a numerical value, and an evaluation value input on the input screen are provided. And writing means for writing information indicating each person in charge of the survey, information identifying the person in charge of the survey, and information indicating the current date and time by the timer into a record indicating the route to be surveyed in the road condition database. .

  The road information collection program according to the present invention uses a portable information processing device having positioning means for positioning the current position, a timer for outputting the current date and time, a display means, and an operating means for the road conditions of the pedestrian viewpoint and the driver viewpoint. A road information collection program that operates on the CPU of the portable information processing device to input the survey results to the road situation database, and has the function of referring to the map data of the survey commission target area to the CPU, and the survey target area Display control function that displays a map including the survey target route, and displays on the display means the viewpoint identification information indicating whether it is a pedestrian viewpoint or a driver viewpoint, and an input screen for prompting input of a plurality of survey items of the survey target route Enter the viewpoint identification information on the input screen, enter a numerical value for each of the multiple survey items, and select an option. The survey item indicates a function of accepting an operation of the operation means for inputting an evaluation value by selecting one of a plurality of options, and viewpoint identification information, a numerical value, and an evaluation value input on the input screen, respectively. A writing function for writing information, information for identifying a person in charge of investigation, and information indicating the current date and time by the timer in a record indicating the route to be investigated in the road situation database is realized.

  A road information management device according to the present invention is a road information management device that analyzes and evaluates a survey result of a road situation from a pedestrian viewpoint and a driver viewpoint, and the stored survey result is compared with a comprehensive evaluation point. The portfolio analysis means that analyzes the portfolio from the viewpoint of the driver and the driver, and one or more of the portfolio analysis of a plurality of survey items according to the analysis result of the portfolio analysis means, the contribution to the overall evaluation point is large. And a zoning means for zoning and displaying a zone for the second index indicating the average evaluation value of the survey items.

  The road information management program according to the present invention is a computer program that analyzes and evaluates a survey result of road conditions from a pedestrian viewpoint and a driver viewpoint, and the computer stores the survey result stored in the computer with respect to a comprehensive evaluation score. Portfolio analysis function for portfolio analysis from pedestrian perspective and driver perspective, and one or more of the portfolio analysis of multiple survey items according to the analysis result of the portfolio analysis function, to contribute to the overall evaluation score Zoning is performed on the first index indicating the size and the second index indicating the average evaluation value of the survey items here, thereby realizing a zone display function.

  According to the present invention, the need for road repair / improvement can be objectively and quantitatively evaluated. As a result, the road manager can objectively and quantitatively explain the repair / improvement schedule to the cost bearer or the user.

It is a schematic block diagram of one Example of this invention. It is a structural example of a road condition database. It is a flowchart of the data collection and evaluation determination of a present Example. It is an example of a screen of a road information collection device. It is an example of a structure and content of a road chart. It is an example of the radar chart of the investigation item of a driver's viewpoint. It is an example of the radar chart of the investigation item of a pedestrian viewpoint. It is a flowchart of portfolio analysis. It is a numerical example of the analysis result with respect to the investigation item from a driver's viewpoint. It is an analysis result numerical example with respect to the investigation item of a pedestrian viewpoint. It is an example of a display of a zoning result. It is a schematic block diagram of Example 2 of the present invention applied to a server / client model.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

  FIG. 1 shows a schematic block diagram of an embodiment of a road management system according to the present invention. The road management system of this embodiment analyzes and evaluates the road information collection device 10 for on-site investigation of the road situation, which is mainly a living road, and the collected road situation data, and repairs based on the priority of road maintenance management. And a road information management device 40 for creating a plan. The road information collection device 10 is a device used by a researcher who conducts a field survey, for example, application software and map data necessary for a portable information processing terminal such as a commercially available camera-equipped tablet terminal or camera-equipped smartphone, and the like. A road condition database is installed. The road information management device 40 also includes a computer in which a program for analyzing and evaluating the collected road condition information, a program for road information management, and the like are installed.

  The road information collecting apparatus 10 stores, as main elements, a digital camera 12 capable of capturing moving images and still images of surrounding conditions, work GIS (Geographic Information System) data 14 including map data of a survey target area, and survey results. And a positioning device 18 of the GNSS system. The work GIS data 14 and the road condition database 16 for storing the survey results are stored in a storage 20 composed of nonvolatile memory means such as a flash memory.

  The CPU 22 and the ROM 24 and the RAM 26 function as control means for controlling the road information collection device 10. The ROM 24 stores programs and fixed constants necessary for the CPU 22 to control each part of the road information collection device 10, and the storage 20 stores application programs (investigation support programs) for data collection. Yes. The CPU 22 reads various application programs stored in the storage 20 into the RAM 26 and executes them, thereby realizing various functions of data collection to be described later.

  The liquid crystal display panel (LCD) 28 displays a map of the GIS data 14, a live view image of the camera 12, an image such as a still image and a moving image recorded in the storage 20, a road condition data input screen in the road condition database 16, and the like. Can be displayed. A touch panel 30 is disposed on the screen of the liquid crystal display panel 28, and the CPU 22 controls display on the liquid crystal display panel 28 and input to the road situation database 16 in accordance with a user operation on the touch panel 30.

  The CPU 22 controls still image shooting and moving image shooting by the camera 12 in accordance with a predetermined user operation on the touch panel 30 (or an operation unit (not shown)), and records still images and moving images output from the camera in the storage 20. To the still image and the moving image recorded in the storage 20, the current position (latitude and longitude position coordinates) measured by the positioning device 18 and shooting time information by the timer 34 are added as metadata.

  The communication device 32 can communicate arbitrary data between the server on the Internet and the road information management device 40 via various communication media such as a mobile phone line and a wireless LAN. The timer 34 is composed of a real-time clock that outputs current date and time data.

  The road situation database 16 records and holds evaluation values for a plurality of survey items for each road (route) in the area of interest. FIG. 2 shows an example of the configuration of the road situation database. The route number is a number that identifies the route and is unique on at least the road condition database 16. The road type indicates whether the road is 5: national road, 4: main local road, 3: prefectural road, 2: municipal road, or 1: private road. The designated road year indicates a designated year with a width of 4 m or more based on a specific law among the roads in Article 42, Paragraph 1 of the Building Standards Act. Details are omitted because they are not necessary for understanding the present invention.

  In addition to the survey items 1 to N, the road situation database 16 has columns of a survey person, a survey date and a viewpoint (whether a driver viewpoint or a pedestrian viewpoint), and the like, and still image data taken with respect to the road And a column for embedding moving image data. For the survey person and viewpoint item for each route, the name of the investigator and the viewpoint identification information entered by the investigator at the start of the field survey should be posted, and the current date and time data output by the timer is posted as the survey date and time. Just do it.

  The survey items 1 to N are elements that are useful for determining the satisfaction when the pedestrian and the driver use and the degree of influence that impairs the use. For example, the survey items 1 to N are the maximum / minimum road width, maximum / minimum sidewalk width, longitudinal gradient, crossing gradient, road surface unevenness, road surface crack, road rudder, visual distance (distance the driver can see on the road) There may be building obstacles such as sidewalks, drainage status, retaining wall / slope status, telegraph pole status, signboards on roads, sunshade of stores, etc., tree status and traffic volume. The road manager sets, in the road situation database 16, survey items that are selected as necessary from many survey items.

  For the unified processing and the analysis evaluation described later, the numerical value range of the evaluation points indicating the degree to which a repair or the like is necessary is made the same for the survey items to be quantitatively evaluated. For example, an evaluation score indicating that repair is unnecessary or good is set to 5 points, and an evaluation score indicating a state where repair is highly necessary or difficult to use is set to 1 point. For survey items that give evaluation points according to the contents (or threshold values), a template with the contents (or threshold values) and evaluation points as a pair is prepared, and for the survey items 1 to N captured in the road situation database 16 The evaluation points and content options are set in the database input program. When the numerical value is fixed such as the width, the numerical value is input to the road condition database 16. The evaluation points and contents of some survey items will be described later.

  The road information management device 40 includes a CPU 42, a ROM 44, a RAM 46, a display device 48, an operation device 50, a hard disk 52, and a communication device 54. The communication device 54 can be connected to the road information collection device 10 via a LAN or the Internet.

  The road information management device 40 takes the work GIS data 14 of the road information collection device 10 into the hard disk 52 and collects it as GIS data 56. Thereby, the GIS data 56 reflecting the correction at the time of investigation is generated. The route data corrected (added or changed) at the time of the survey may be stored in the hard disk 52 as a difference. By doing so, it becomes easy to reflect in work GIS data in the next investigation.

  In addition, the road information management device 40 adds the road situation database 16 of the road information collection device 10 to the road situation database 58. As a result, a plurality of survey results for each route in the survey target area are stored in the hard disk 52 as the road condition database 58. In the present embodiment, in order to facilitate understanding, road condition data collected using the road information collection device 10 is stored in the road information management device 40. The road information management device 40 may be placed on a server that can be accessed.

  The CPU 42, the ROM 44, and the RAM 46 function in the same manner as a normal computer. The display device 48 displays analysis results and evaluation results. The operation device 50 includes instruction means such as a keyboard and a mouse, and is used to input user operations to the CPU 42. The hard disk 52 stores an analysis evaluation program, a road information management program, and the like that operate on the CPU 42, and the CPU 42 reads and executes these programs from the hard disk 52, thereby realizing various functions described below. . The CPU 42 includes a road chart creation function 68 and a portfolio analysis function 70 realized by an analysis evaluation program.

  If policy adjustment by the administration side or adjustment by collaboration between the administration and the residents is required, before the field survey, the survey item and its evaluation point classification (or threshold) are selected according to the contents of the adjustment. In the analysis evaluation, the person in charge of analysis and evaluation who analyzes and evaluates the investigation result obtained by using the road information management device 40 adjusts the weighting coefficient in, for example, calculation of satisfaction described later.

  FIG. 3 shows a flowchart of processing from investigation to analysis evaluation in this embodiment.

  The road manager (local government) investigator determines the area to be repaired (S1), creates a survey plan and schedule for the road (route) of the target position (S2), and conducts a field survey As a preparation, the GIS data in the target area is stored as the work GIS data 14 in the storage 20 of the road information collecting apparatus 10 (S3). Such GIS data can be maintained by road managers or by public organizations such as the Geospatial Information Authority of Japan. In terms of content, the road status plan, residential maps, aerial photographs, and cadastral maps And a geodetic survey map. Data obtained by adding new or changed route data to the GIS data used in the previous survey may be stored in the storage 20 as work GIS data 14. Similarly, the past situation result may be taken in the road situation database 16. At that time, the person in charge of the survey and the date and time of the survey are excluded from the import.

  The investigator carries the road information collection device 10 and executes a field survey (S4), and corrects the route if necessary (S5). The route correction may include addition of an insufficient route that is not reflected in the GIS, deletion of a route that does not require investigation, and correction of coordinates. Field surveys include a driver perspective and a pedestrian perspective.

  During the field survey, the surveyor launches a survey support program stored in the storage 20 by the road information collection device 10. FIG. 4 shows a screen example of the survey support program. The investigation support program (CPU 22) displays the current date and time output from the timer 34 in the date field 102 of the input screen shown in FIG. The investigator inputs his / her name in the person-in-charge name column 104 and designates the pedestrian viewpoint or the driver viewpoint in the viewpoint column 106. In FIG. 4, a pedestrian is designated. The viewpoint column survey support program stores the input name and viewpoint in the RAM 26, and automatically sets the name and viewpoint in the column of the investigator name and viewpoint of each route in the road situation database 16, respectively.

  When the investigator operates the photographing button 108, the investigation support program (CPU 22) activates the camera function and executes still image photographing or moving image photographing by the camera 12 at a timing instructed by the investigator. Thereby, a still image and a moving image at an arbitrary place can be recorded in the storage 20. As described above, the position data of the shooting location and the shooting date / time data are added to the recorded still image and moving image.

  By operating the drop-down button at the right end of the route display column 110, a list of routes in the survey target area is displayed. The researcher selects one route (survey target route) to be investigated from the route list. As a result, the route number of the route to be actually investigated is displayed in the route display column 110, and a map of the area including the selected route is displayed in the map display area 112. In the map display area 112, the selected route is highlighted by superimposing a specific color or line segment. The map displayed in the map display area 112 can be arbitrarily enlarged or reduced by an enlargement / reduction button (not shown).

  Preliminary survey items are displayed in the survey item area 114, and the researcher can input a measurement value for each survey item and select an evaluation value. The investigation support program (CPU 22) records the input measurement value or evaluation value in the corresponding item column of the corresponding route record or entry in the road condition database 16 of the storage 20. The investigation support program (CPU 22) also embeds still images and moving images captured by the camera 12 and recorded in the storage 20 in the related image column of the corresponding route record in the road situation database 16. This image embedding work may be performed by an investigator after returning to the workplace, not on the spot. Only the link to the image may be used at the site, and the image data may be embedded in the record of the corresponding route again at the workplace.

  Maximum / minimum road width and maximum / minimum sidewalk width are measured at 0.1m. The maximum and minimum widths are measured along the route, but it is important whether the vehicle travels or walks smoothly, so the minimum width is exclusively used for evaluation. For road width, whether or not the vehicle is able to run / walk smoothly, whether a sidewalk is attached, and whether or not wheelchairs are accessible are important factors. Also good.

As for the longitudinal gradient, the evaluation is set for other roads other than the highway expressway national road and the exclusive road for motor vehicles, considering that the object of the survey is the city or residential area. The longitudinal gradient is a gradient with respect to the horizontal direction of the route longitudinal, and is classified into categories for the largest gradient in the route. For example, when there are 5 categories,
5. Almost flat (within 2%)
4). Slightly sloped (2% or more and less than 5%)
3. With gradient (5% or more and less than 9%)
2. Slightly steep (9% or more and less than 12%)
1. It is possible to select any one of five grades of evaluation values 1 to 5 that are steep (12% or more) or have a staircase.

  The road surface should be as flat as possible while maintaining the gradient (0.3-0.5%) required for drainage. However, in reality, a gradient corresponding to the terrain and features must be applied. The maximum gradient is defined for each design speed of 10 km / h. When the design speed is the lowest 20 km, the maximum longitudinal gradient is defined as 9% (road structure ordinance 12%). When the design speed is 60 km, the maximum longitudinal profile The slope is specified as 5% (8% in the same order). In the area where the hilly area was built, there is a slow road. There is a staircase on the street.

As for the cross slope, as with the longitudinal slope, evaluations are set for other roads other than the expressway expressway national road and the automobile exclusive road. The cross slope is a slope with respect to the horizontal line across the route, and is categorized with respect to the largest gradient in the route. In other cases, when it is classified into five categories,
5. Almost flat (within 2%)
4). Slightly sloped (2% or more and less than 5%)
3. With gradient (5% or more and less than 9%)
2. Slightly steep (9% or more and less than 12%)
1. It is possible to select any one of five grades of evaluation values 1 to 5 that are steep (12% or more) or have a staircase.

The unevenness of the road surface becomes a factor that restricts vehicle travel and human walking, and affects the economic ripple effect and the dust-proofing, anticipation, and vibration-improving environmental effects. The unevenness of the road surface can be divided into 5 to 3 categories, and in this embodiment, as 3 categories,
5. 2. There is no unevenness on the road surface. There is about one uneven road surface. One of three evaluation values 1, 3, and 5 indicating that there are several uneven road surfaces can be selected.

Cracks on the road surface are also a factor that restricts vehicle travel and human walking, and affect the economic ripple effect and the environmental improvement effect of dust proofing, old times and vibrations. Road surface cracks can be divided into 5 to 3 categories, and in this embodiment, as 3 categories,
5. 2. There is no crack on the road surface. There are about one crack on the road surface. One of three evaluation values 1, 3, and 5 indicating that there are several cracks on the road surface can be selected.

Roadsides also become a factor that restricts vehicle travel and human walking, and affects the economic ripple effect and the environmental improvement effect of dust proofing, old times and vibrations. The road surface can be classified into 5 to 3 categories. In this example, the following 3 categories are classified as follows:
5. 2. There is no rutting. There is about one rutting digging. One of three evaluation values 1, 3, and 5 indicating that there are several rutting digging can be selected.

The viewing distance is the distance that the driver can see on the road as described above. The distance when the numerical value of the traveling speed viewed in kilometers per hour is measured in meters (for example, when the traveling speed is 40 km / hour, the viewing distance is 40 m). When applied to pedestrians, it is the line-of-sight distance at the start and end of the road. In this embodiment, the viewing distance is divided into five categories,
5. It is possible to see almost the same distance as the speed limit. 2. It is possible to see a distance of about 2/3 of the speed limit. It is possible to see a distance of about half the speed limit. It is possible to see a distance of about 1/3 of the speed limit. Any one of five evaluation values 1 to 5 indicating that the prospect is impossible can be selected.

For roadblocks and other building obstacles, the road structure ordinance is categorized according to whether the building restrictions exist within 2.5 m or more than 2.5 m. With regard to architectural obstacles such as sidewalks, it can be classified into 5 or 3 categories.
5. 3. There are no building restrictions 3. There are building restrictions that are more than 1.2.5 m away Any of the three evaluation values 1, 3, 5 that there are building restrictions within 1.2.5 m can be selected It is said.

Considering the recent torrential rain, road drainage is becoming increasingly important. As drainage conditions, we investigate whether the relationship between the shape of the road surface and the position of the rainwater mass is appropriate, and whether the rainwater mass has no dead leaves or sediment accumulation. The wastewater situation can be divided into 5 to 3 categories, and in this example, it is divided into 3 categories, as follows:
5. 2. Good drainage due to L-shaped grooves on both sides. Drainage is not good due to L-shaped groove on one side. One of three evaluation values 1, 3, and 5 indicating that there is no L-shaped groove or the like and the state of drainage is bad can be selected.

Similar to road drainage, road functions are restricted or impeded when retaining walls or slopes are affected by natural disasters. Therefore, we investigate whether the retaining walls and slopes remain as they were during construction or whether they are likely to collapse. Retaining walls and slopes can be divided into 5 or 3 categories. In this example, there are 3 categories.
5. 2. Retaining walls and slopes are in good condition. Some of the retaining wall and slope conditions are not good. One of the three evaluation values 1, 3, and 5 indicating that the retaining wall / slope condition is bad can be selected.

If telegraph poles are built on the road or protrude from the road, the road function is restricted or hindered. Also, if the telephone pole is tilted, there is a risk of collapse. The telephone pole situation is divided into 5 categories, as follows:
5. 3. No telephone pole 2. There is an almost vertical telephone pole. There is a telegraph pole with a slight inclination. There is an inclined telephone pole. One of five evaluation values 1 to 5 indicating that there is a telegraph pole protruding from the road can be selected.

If a signboard is present over the road, the road function may be restricted or hindered. Therefore, the signboard over the road can be divided into 5 to 3 categories, and in this embodiment, it is divided into 3 categories, as follows:
5. 2. There is no signboard in the sky There is no problem though there is a signboard in the sky. One of three evaluation values 1, 3, and 5 indicating that there is no signboard in the sky can be selected.

As with a sign, a sunshade at a store or the like may restrict or inhibit road functions. It can be divided into 5 or 3 categories for awnings of stores, etc., and in this example, it is divided into 3 categories, as follows:
5. 2. There is no awning of stores, etc. There is no problem though there is an awning of stores, etc. One of three evaluation values 1, 3, and 5 indicating that the shade of the store or the like is an obstacle can be selected.

Similarly to signs, road functions may be restricted or hindered when trees along roadsides or private land are protruding from the road. Regarding the situation of trees, it can be divided into 5 to 3 categories, and in this embodiment, it is divided into 3 categories, as follows:
5. 2. There are no trees. There is no problem though there are trees. One of three evaluation values 1, 3, and 5 that a tree is an obstacle can be selected.

Traffic volume has a direct impact on road damage, and heavy freight vehicles with heavy payloads cause significant damage to the road. However, the traffic survey is not only difficult in the same municipality, but it is difficult to investigate national roads, major local roads, prefectural roads, municipal roads and private roads at the same time. Furthermore, it is necessary to consider a certain period. Therefore, it is conceivable to evaluate by a combination of road width and road type, or substitute by road type. In this example, the traffic volume is as follows:
5. Large cargo vehicles operate frequently (substitute on national roads)
4). Medium-sized cargo is frequently operated (substituting for major local roads)
3. General vehicles are in operation (substitute in prefectural roads)
2. Ordinary vehicles are sometimes in operation (substitute municipal roads)
1. Vehicles cannot pass (substitute on private road)
Any one of the five evaluation values 1 to 5 can be selected.

  Policy adjustments by the administrative side (road managers) include, for example, restrictions on the target area / routes based on the budget, and peculiarities of residents (users) (on roads where elderly and wheelchair users go to hospitals and nursing homes, etc. Is required to be flatter). As the latter adjustment method, the field survey can be performed easily and promptly by preparing or setting an option in which the threshold of the evaluation value classification is changed in advance on the target route.

For example, regarding the road surface crossing gradient, the evaluation classification is made strict as follows. That is, the above five-level evaluation classification of within 2%, 2% or more, less than 5%, 5% or more, less than 9%, 6% or more, less than 12%, or 12% or more or staircase is within 1%, 1% More than 3%, less than 3%, less than 6%, more than 6% and less than 9%, and more than 9%, or change to five steps of stairs. Moreover, about the unevenness | corrugation of a road surface, for example,
5. 3. There are no road irregularities. 2. There is about one unevenness on the road surface. There are several irregularities on the road surface. There are dozens of bumps on the road surface,
1. The road surface will be divided into 5 categories with several rugged areas.

  When the field survey is completed, the researcher connects the carried road information collection device 10 to the LAN. As described above, the road information management device 40 takes in the road situation database 16 and the work GIS data 14 of the road information collection device 10 via the LAN, and adds / stores them in the road situation database 58 and the GIS data 56 of the hard disk 52. .

  When road condition data of each route in the target area is collected in the road information management device 40, an operator (analytical evaluation person) of the road information management device 40 executes analysis and evaluation by the analysis and evaluation program of the collected road condition data. (S6-S10).

  The road chart creation function 60 of the analysis evaluation program creates a road chart 62 for each route from the data in the road situation database 58 and stores it in the hard disk 52 (S6). The road chart 62 is obtained by arranging the survey results for each route so that the list is improved. FIG. 5 shows an example of the road chart 62. In addition to the route number, road type, designated road year, and the contents of the entered survey items, a surrounding map, related photos (including moving images), and a radar chart that graphs the evaluation values are displayed. When there are a driver viewpoint and a pedestrian viewpoint, as illustrated in FIG. 5, a radar chart is displayed for a driver viewpoint and a pedestrian viewpoint. In FIG. 5, the display items are illustrated on one page for easy understanding of the display items, but some information may be displayed in detail on a plurality of pages or another screen such as a pop-up screen.

  The average score of the survey items can be used as a comprehensive score for portfolio analysis described later. Therefore, the road chart creation function 60 calculates, from the road chart 62, the average score of all survey items or the average score of one or more survey items arbitrarily selected from the latest survey results for each route to be analyzed and evaluated. The average score is stored in the hard disk 52 as a comprehensive evaluation score 59 for portfolio analysis described later. By adding the policy adjustment by the administration side, the adjustment by the cooperation between the administration and residents, or both, to the overall evaluation score 59, it becomes easier to obtain the consent of the cost bearer and the user for the analysis evaluation result.

  FIG. 6 shows an example of a radar chart from the viewpoint of the driver displayed on the road chart 62, and FIG. 7 shows an example of a radar chart from the viewpoint of the pedestrian. 6 and 7, the radar chart is created only for the main survey items that are indicators of the necessity of road repair (improvement), but it goes without saying that other survey items may be included. Nor.

  The portfolio analysis function 64 analyzes the portfolio for each of the pedestrian viewpoint and the driver viewpoint by performing multiple regression analysis on all the surveyed routes in the survey target area (S7). By this port portfolio analysis (S7), it is possible to obtain a quantitative index of the satisfaction degree and the influence degree with respect to each of the driver viewpoint and the driver viewpoint regarding the current state of the road.

  FIG. 8 shows a detailed flowchart of the statistical analysis process in the portfolio analysis (S7). The person in charge of analysis / evaluation uses the portfolio analysis function 64 to execute the statistical analysis processing shown in FIG. 8 for each of the investigation results including the pedestrian viewpoint investigation result, the driver viewpoint investigation result, and both.

  The portfolio analysis function 64 first performs summary statistics on the road survey items and the overall evaluation score 59 on the latest data of each route, checks missing data and abnormal value data, and completes data to be used ( S21). The overall evaluation score is either the average score of all survey items (simple average), the average score of arbitrarily selected survey items, the policy adjustment point by the administration side, or the adjustment point by the collaboration between the administration and residents is there. Then, the portfolio analysis function 64 takes the correlation between the survey items and determines the primary road survey item of the explanatory variable (S22).

The portfolio analysis function 64 uses the survey item determined in S22 as an explanatory variable, and performs a multiple regression analysis using the comprehensive evaluation score adopted in S21 as an objective variable (S23). Here, the survey items adopted as explanatory variables may be all survey items determined in S22, or may be any survey item among the survey items determined in S22. In the process of this multiple regression analysis, the person in charge of analysis / evaluation conducts tests for multicollinearity, P value, t value and r ² .

  The person in charge of analysis and evaluation changes the addition / deletion of road survey items, which are explanatory variables, and changes the categorization (S24), and performs a multiple regression analysis on the portfolio analysis function 64 until the final road survey is determined (S25). Re-execute (S24). That is, the person in charge of analysis / evaluation uses the portfolio analysis function 64 to perform simulation while adjusting addition / deletion of road survey items and categorization as explanatory variables to determine final road survey items (S23). To S25).

  When the final road survey item is determined (S25), the person in charge of analysis and evaluation performs a multiple regression analysis using the portfolio analysis function 64 under the finally determined road survey item (S26). The portfolio analysis function 64 outputs the regression coefficient and the average score for each road survey item obtained in the multiple regression analysis (S26) (S27).

The portfolio analysis function 64 uses the regression coefficient for each road survey item and the average score for each road survey item calculated from the final multiple regression analysis according to the result of the portfolio analysis (S7), and each of the driver viewpoint and the pedestrian viewpoint. Is zoned according to the degree of satisfaction and influence of the user, and the zoning result is displayed on the display device 48 (S8). In this zoning, the vertical axis represents the degree of satisfaction of each road survey item indicating how safe and secure driving / walking is possible. In this example, satisfaction is expressed as
Satisfaction = regression coefficient by survey item x (overall evaluation score-1) x (weighting coefficient)
As a quantitative measurement. The weighting factor is for adjustment to take into account the user's request or administrative policy, and in the case of no adjustment, the weighting factor = 1. The horizontal axis is the average score for each survey item. The average score of each road survey item indicates the degree of influence of each road survey item on safe and secure driving / walking, and thus indicates the degree of influence on the user.

  Satisfaction is proportional to the size of the regression coefficient, so it can be said that it indicates the level of contribution to the overall evaluation score. If the satisfaction level is high, the current situation can be maintained, and the satisfaction level is low. The earlier action (repair or improvement) is required. As the degree of influence increases, early countermeasures (repair or improvement) are required, and when the degree of influence is small, it can be considered that there is little dissatisfaction of the user even if the countermeasure is slow.

FIG. 9 shows an example of multiple regression analysis for the road survey result from the driver's viewpoint. FIG. 9A shows examples of various numerical values obtained by multiple regression analysis. FIG. 9B shows an example of the significance test of the regression coefficient and the calculation of the confidence interval. FIG. 9C shows a numerical example of the analysis result, that is, a numerical example of satisfaction obtained from the regression coefficient, average score, and regression coefficient of each survey item. Satisfaction, as explained earlier,
Satisfaction = regression coefficient × (overall evaluation point−1) × (weighting coefficient)
It is said. For example, when the overall evaluation score is 5, when the weighting factor is 1, the satisfaction with the width is 0.7897 because the regression coefficient is 0.7897.
0.7897 × 4 = 3.1587
It becomes.

FIG. 10 shows an example of multiple regression analysis for road survey results from the viewpoint of pedestrians. FIG. 10A shows various numerical examples obtained by multiple regression analysis. FIG. 10B shows an example of calculating the significance of the regression coefficient and the confidence interval. FIG. 10C shows a numerical example of the analysis result, that is, a numerical example of satisfaction obtained from the regression coefficient, average score, and regression coefficient of each survey item. The calculation formula for satisfaction is the same as in the driver's perspective.
Satisfaction = regression coefficient × (overall evaluation point−1)
It is said.

  FIG. 11 shows a display example of the zoning result by portfolio analysis. When the analysis / evaluation person or operator presses or selects the plot button 202 corresponding to the driver, the portfolio analysis function 64 (CPU 42) displays the zoning result for the investigation item from the driver's viewpoint in the zone display area 206. When the person in charge of analysis evaluation presses or selects the plot button 204 corresponding to the pedestrian, the portfolio analysis function 64 (CPU 42) displays the zoning result for the survey item from the viewpoint of the pedestrian in the zone display area 206. When the operator depresses or selects both the plot buttons 202 and 204, the portfolio analysis function 64 (CPU 42) displays the zoning results of both the driver viewpoint and the pedestrian viewpoint in the zone display area 206. By displaying the zoning result for the investigation item from the driver's viewpoint and the zoning result for the investigation item from the pedestrian viewpoint in different colors and / or shapes, the two can be visually identified.

  The portfolio analysis function 64 (CPU 42) displays a map of the survey area in the map area 208 and displays a specific color (for example, red) line segment superimposed on the survey target route. When the operator selects one of the survey elements in the zone display area 206, the portfolio analysis function 64 (CPU 42) selects a route whose satisfaction level is less than or equal to the satisfaction value in the zone display area 206 for the survey element in another color. (For example, blue).

  In the zone display area 206, the upper right zone where both satisfaction and influence are high is a maintenance strengthening zone that should be strengthened. The survey element located in the maintenance strengthening zone is an element for which maintenance strengthening is desired even if it does not go to repair. The upper left zone, which has a high degree of satisfaction but a low influence, is a current state maintenance zone where the current state should be maintained. The survey elements of the status quo zone are in good condition and are not particularly required to be repaired or improved. The lower right zone with low satisfaction and high impact is the highest priority improvement zone where the highest priority improvement should be considered, and the survey element is an element that needs to be addressed immediately. The lower left zone, which is less satisfactory and less impactful, is less needed or urgent to repair or improve, so it can be left as it is, a so-called withdrawal zone. This is an element that should be considered.

  Based on the portfolio analysis result, the road manager determines the rank of the line to be repaired or improved according to the road maintenance management priority in consideration of the user's request (S9). The road manager creates a road repair plan in consideration of the budget, the construction period, and securing of an alternative road during the construction in the determined order (S10).

  Thus, according to the present embodiment, road condition data can be efficiently collected, and the necessity for repair / improvement can be presented qualitatively and quantitatively. As a result, the road manager can objectively determine the repair priority of the route requiring repair / improvement.

  FIG. 12 shows a schematic block diagram of a second embodiment in which the present invention is applied to a server / qualified model.

  The road information collection device 310 refers to the work GIS 372 and the road situation database 374 on the server 370 connected via the Internet 380 and writes the survey results in the road situation database 374. The road information collection device 310 has the same configuration and function as the road information collection device 10 except for the difference between whether the work GIS to be used and the road situation database are local or in the server 370.

  The road information management device 340 refers to the work GIS 372 on the server 370, the road situation database 374, and the comprehensive evaluation point 378 via the Internet 380, and stores the created road chart 376 in the server 370. The work GIS 372 has a data structure different from that of the GIS 56 for use by the road information management device 340. The road information management apparatus 340 also has basically the same configuration and functions as the road information management apparatus 340 except for the difference between whether the data to be used is local or in the server 370.

  With this configuration, a plurality of routes can be surveyed simultaneously, and analysis and evaluation can be performed by the road information management device 340 while conducting a field survey.

  Although the invention has been described with reference to specific illustrative embodiments, various modifications and alterations may be made to the above-described embodiments without departing from the scope of the invention as defined in the claims. This is obvious to an engineer in the field to which the present invention belongs, and changes and modifications are also included in the technical scope of the present invention.

10: Road information collection device 12: Digital camera 14: Work GIS (Geographic Information System) data 16: Road situation database 18: Positioning device 20: Storage 22: CPU
24: ROM
26: RAM
28: Liquid crystal display panel (LCD)
30: Touch panel 32: Communication device 34: Timer 40: Road information management device 42: CPU
44: ROM
46: RAM
48: Display device 50: Operating device 52: Hard disk 54: Communication device 102: Date column 104: Person in charge name column 106: Viewpoint column 108: Shooting button 110: Route display column 112: Map display area 114: Survey item area 202, 204: Plot button 206: Zone display area 208: Map area

Claims (31)

A road information collection device that inputs the results of a road situation survey from a pedestrian perspective and a driver perspective into a road situation database;
A road management system having a road information management device for accumulating, analyzing and evaluating survey results collected by the road information collection device,
The road information collection device
Means to refer to the map data of the survey target area,
A positioning means for positioning the current position;
A timer that outputs the current date and time,
A display means for displaying a map including a survey target route in a survey target region, and displaying an input screen for prompting input of a plurality of survey items of the survey target route and viewpoint identification information indicating a pedestrian viewpoint or a driver viewpoint;
On the input screen, the viewpoint identification information is input, and for each of the plurality of survey items, a numerical value is input to the survey item for numerical input, and one of the plurality of options is selected for the survey item for option selection. An input means for inputting an evaluation value by selecting,
The viewpoint identification information entered on the input screen, the information indicating the numerical value and the evaluation value, the information identifying the person in charge of the survey, and the information indicating the current date and time according to the timer are stored in the road status database as the survey target route. Writing means for writing to the record shown,
The road information management device
Portfolio analysis means for analyzing the accumulated survey results from the viewpoint of the pedestrian and the driver with respect to the overall evaluation point;
According to the analysis result of the portfolio analysis means, one or more of the plurality of survey items that have been subjected to the portfolio analysis is a first index indicating the degree of contribution to the overall evaluation score, and the evaluation value of the survey item here A road management system comprising: zoning means for zoning a second index indicating an average score and displaying a zone.   The road management system according to claim 1, wherein the road information collection device has storage means for storing the road situation database.   3. The road management system according to claim 1, wherein the road information collection device further includes a camera, and associates a photographed image of the camera with the information of the photographing date and the photographing position together with the road condition database. .   The road management system according to any one of claims 1 to 3, wherein the road information collection device includes a correction unit that corrects a route of the map data.   5. The survey item according to claim 1, wherein the plurality of survey items include one or more of width, longitudinal gradient, crossing gradient, road surface unevenness, road surface cracks, visual distance, drainage status, and telephone pole status. The road management system described in the section.   The overall evaluation score is an average score of evaluation values of the plurality of survey items, an average score of evaluation values of one or more survey items selected from the plurality of survey items, a policy adjustment point for the road administrator, and The road management system according to any one of claims 1 to 5, wherein the road management system is one of adjustment points by cooperation between a manager and a user of the road.   The portfolio analysis means calculates the average of the regression coefficient and the evaluation value for each of one or more predetermined survey items as the analysis result, and calculates the first index from the regression coefficient and the comprehensive evaluation The road management system according to any one of claims 1 to 6, wherein:   The road management system according to any one of claims 1 to 7, wherein the first index indicates a satisfaction degree with respect to a current state of the road, and the second index indicates an influence degree on usage. Road information collection step that surveys the road conditions of the roads in the survey area for multiple survey items and inputs the evaluation values from the pedestrian and driver viewpoints for each of the multiple survey items for each road into the road status database When,
A road chart creation step for creating a road chart showing survey results of the plurality of survey items in units of routes from the data of the road status database;
A portfolio analysis step of referring to the road charts of a plurality of roads and performing a portfolio analysis of the evaluation values of the plurality of roads with respect to a comprehensive evaluation point at each of the pedestrian viewpoint and the driver viewpoint;
According to the analysis result of the portfolio analysis step, one or more of the plurality of survey items that have been subjected to the portfolio analysis is a first index indicating the degree of contribution to the overall evaluation score, and the evaluation value of the survey item here A road management method comprising: a zoning step of zoning a second index indicating an average point and displaying a zone.   The road management method according to claim 9, further comprising a step of ranking the priority of road maintenance management with reference to the zone display of the zoning step. The road information collection step
On the input screen of the information collection device that displays the map including the survey target route in the survey target area and prompts the user to input viewpoint identification information indicating whether it is a pedestrian viewpoint or a driver viewpoint and a plurality of survey items for the survey target route On the other hand, the viewpoint identification information is input, and for each of the plurality of survey items, a numerical value is input for the survey item for numerical input, and one of the multiple options is selected for the survey item for selection of options. An input step for entering the evaluation value in,
The road information collection device receives the viewpoint identification information input on the input screen, information indicating numerical values and evaluation values, information for identifying the person in charge of the survey, and information indicating the date and time of the survey in the road status database. The road management method according to claim 9, further comprising a writing step of writing in a record indicating a survey target route.   The road information collecting step includes a step of associating an image obtained by photographing a road of the survey target route and the vicinity thereof with a record relating to the road in the road situation database together with information on a photographing position and a photographing date and time. The road management method according to any one of 9 to 11.   The plurality of survey items include one or more of width, longitudinal gradient, crossing gradient, road surface unevenness, road surface cracks, visual distance, drainage status, and telephone pole status. The road management method described in the paragraph.   The overall evaluation score is an average score of evaluation values of the plurality of survey items, an average score of evaluation values of one or more survey items selected from the plurality of survey items, a policy adjustment point for the road administrator, and The road management method according to any one of claims 9 to 13, wherein the road management method is one of adjustment points by cooperation between a manager and a user of the road.   The portfolio analysis step calculates an average score of the regression coefficient and the evaluation value for each of one or more predetermined survey items as an analysis result, and calculates the first index from the regression coefficient and the comprehensive evaluation The road management method according to claim 9, wherein the road management method is performed.   The road management method according to any one of claims 9 to 15, wherein the first index indicates a satisfaction degree with respect to a current state of the road, and the second index indicates an influence degree on usage. A road information collecting device for inputting a road situation survey result of a pedestrian viewpoint and a driver viewpoint to a road situation database,
A means of referring to the map data of the survey area;
A positioning means for positioning the current position;
A timer that outputs the current date and time,
A display means for displaying a map including a survey target route in a survey target region, and displaying an input screen for prompting input of a plurality of survey items of the survey target route and viewpoint identification information indicating a pedestrian viewpoint or a driver viewpoint;
On the input screen, the viewpoint identification information is input, and for each of the plurality of survey items, a numerical value is input to the survey item for numerical input, and one of the plurality of options is selected for the survey item for option selection. An input means for inputting an evaluation value by selecting,
The viewpoint identification information entered on the input screen, the information indicating the numerical value and the evaluation value, the information identifying the person in charge of the survey, and the information indicating the current date and time according to the timer are stored in the road status database as the survey target route. A road information collecting device comprising: writing means for writing in a record to be shown.   The road information collecting apparatus according to claim 17, wherein the road situation database is stored in a local storage means.   The road information collection device according to claim 17 or 19, further comprising a camera, wherein a captured image of the camera is associated with the road condition database together with information on a shooting date and a shooting position.   The road information collection device according to any one of claims 17 to 19, further comprising correction means for correcting a route of the map data.   The plurality of survey items include one or more of width, longitudinal gradient, crossing gradient, road surface unevenness, road surface cracks, visual distance, drainage status, and telephone pole status. The road information collecting device described in the paragraph. In order to input into the road situation database survey results of the pedestrian and driver viewpoints using a portable information processing device having positioning means for positioning the current position, a timer for outputting the current date and time, a display means and an operating means. And a road information collecting program that operates on the CPU of the portable information processing apparatus,
A function to refer to the map data of the survey area,
Displays a map including the survey target route in the survey target region, and displays on the display means viewpoint identification information indicating whether it is a pedestrian viewpoint or a driver's viewpoint, and an input screen for prompting input of a plurality of survey items of the survey target route Display control function,
On the input screen, the viewpoint identification information is input, and for each of the plurality of survey items, a numerical value is input to the survey item for numerical input, and one of the plurality of options is selected for the survey item for option selection. A function of accepting an operation of the operation means for inputting an evaluation value by selecting
The viewpoint identification information entered on the input screen, the information indicating the numerical value and the evaluation value, the information identifying the person in charge of the survey, and the information indicating the current date and time according to the timer are stored in the road status database as the survey target route. A road information collection program for realizing a writing function for writing to the record shown. The portable information processing apparatus includes a camera,
23. The road information collection program according to claim 22, wherein the writing function associates a photographed image of the camera with the photographing date / time and photographing position information together with the road condition database.   24. The road information collection program according to claim 22, further comprising a correction function for correcting a route of the map data.   The plurality of survey items include one or more of width, longitudinal gradient, crossing gradient, road surface unevenness, road surface cracks, visual distance, drainage status, and telephone pole status. Road information collection program described in the section. A road information management device that analyzes and evaluates the survey results of road conditions from the pedestrian and driver perspectives,
Portfolio analysis means for analyzing the accumulated survey results from the viewpoint of the pedestrian and the driver with respect to the overall evaluation point;
According to the analysis result of the portfolio analysis means, one or more of the plurality of survey items that have been subjected to the portfolio analysis is a first index indicating the degree of contribution to the overall evaluation score, and the evaluation value of the survey item here A road information management apparatus comprising: zoning means for zoning a second index indicating an average score and displaying a zone.   The portfolio analysis means calculates the average of the regression coefficient and the evaluation value for each of one or more predetermined survey items as the analysis result, and calculates the first index from the regression coefficient and the comprehensive evaluation 27. The road information management device according to claim 26.   28. The road information management apparatus according to claim 26, wherein the first index indicates a satisfaction level with respect to a current state of the road, and the second index indicates an influence level on usage. A computer program for analyzing and evaluating survey results of road conditions from a pedestrian perspective and a driver perspective,
A portfolio analysis function for analyzing the accumulated survey results from the viewpoint of the pedestrian and the driver with respect to the overall evaluation point;
According to the analysis result of the portfolio analysis function, one or more of the plurality of survey items that have been subjected to the portfolio analysis is a first index indicating the degree of contribution to the overall evaluation score, and the evaluation value of the survey item here A road information management program for realizing a zoning function of zoning and displaying a zone for a second index indicating an average score.   The portfolio analysis function calculates the average of the regression coefficient and the evaluation value for each of one or more predetermined survey items as the analysis result, and calculates the first index from the regression coefficient and the comprehensive evaluation 30. The road information management program according to claim 29, wherein:   31. The road information management program according to claim 29, wherein the first index indicates a satisfaction degree with respect to a current state of the road, and the second index indicates an influence degree on usage.

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