JP2003141687A - Vehicle operation management device and vehicle operation management program - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a vehicle operation management device which precisely and efficiently manages a certain vehicle's operation condition without causing any problems in the original car dispatch instruction. SOLUTION: When an emergency signal is included in vehicle information accumulated from taxis M1 to Mn, the vehicle numbers of the vehicles are recorded in a tracking vehicle number area 20, and a vehicle number of a tracking vehicle which an operator inputs is also added in the tracking vehicle number area. Display data of an emergency vehicle tracking window for displaying the vehicle whose vehicle number is registered is produced. A window is formed in the operation management window displayed on a display unit 17 to display the data of the emergency vehicle tracking window.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention creates an operation management screen showing the operation status of taxis and home delivery vehicles,
The present invention relates to a vehicle operation management device having a function of displaying this screen on a display and a control program therefor.

[0002]

2. Description of the Related Art In recent years, for example, taxis have been operated by GPS.
(Global Positioning System) and a mobile radio network for managing GPS-AVM (Automatic Vehi)
cle Monitoring) system has been put to practical use.

This type of system is composed of, for example, a radio base station in which a vehicle operation management device is installed, and a dispatch instruction reception control device mounted in each taxi. The vehicle dispatch instruction receiving device is provided with a GPS receiver and a mobile radio device. Then, the dynamics of each taxi, that is, information indicating whether the vehicle is an actual vehicle carrying a user, is vacant, or is being forwarded, together with the position information measured by the GPS receiver, is transmitted from the mobile radio to the radio channel. To the wireless base station via. The vehicle operation management device creates an operation management screen showing the operation status of each taxi based on the transmission information and displays it on the display. Then, in this state, when the user requests a vehicle allocation by telephone or email, the operator grasps the operation status of each taxi from the operation management screen and is closest to the requesting user in distance. By selecting a taxi and sending a dispatch instruction to the taxi via a wireless channel, the taxi is directed to the location of the user.

When such a system is used, the movement and position of each taxi can be accurately and centrally grasped by the vehicle operation management device, whereby the dispatch instruction can be efficiently provided and the taxi dispatch efficiency can be greatly increased. Can be increased to

Further, in the vehicle operation management device, it is possible to display a specific taxi in a tracking manner by scrolling the map screen. When this function is used, for example, a taxi that has made an emergency contact or a taxi that a new driver during the education period is on board can be tracked and displayed during the dispatching operation, and the operation status thereof can be specially monitored.

[0006]

However, in the conventional device having such a tracking display function, the tracking display operation of the specific vehicle is performed in accordance with the manual operation of the operator using the mouse or the cursor key. It has become. For this reason, the operator's burden is large, and there is a risk that the original dispatching work may be neglected. In addition, it is difficult to accurately grasp the operation status of a specific vehicle because it can be displayed only between dispatch operations. This is very unfavorable especially when the monitored object is a vehicle that has made an emergency contact because a delay occurs in grasping the situation and response.

The present invention has been made in view of the above circumstances, and an object thereof is to provide a vehicle capable of efficiently and accurately monitoring the operating status of a specific vehicle without hindering the original dispatch work. It is to provide an operation management device and its control program.

[0008]

In order to achieve the above object, the present invention collects vehicle information including information indicating the movement and position of a plurality of vehicles through a wireless channel, and collects the collected vehicle information. In a vehicle operation management device having a first display control means for creating an operation management screen for displaying information on map information and displaying it on a display,
An emergency signal receiving unit that receives the emergency signal via the wireless channel when the emergency signal is transmitted from the plurality of vehicles and a second display control unit are newly provided.
Then, the second display control means creates an emergency vehicle tracking screen for displaying the vehicle information regarding the vehicle that has transmitted the emergency signal on the map information, and this emergency vehicle tracking screen is one of the operation management screens. The display is displayed on the display in the state of being overlapped with the area of the part.

Therefore, according to the present invention, when an emergency signal arrives from a vehicle, an emergency vehicle tracking screen showing the status of the vehicle that has transmitted this emergency signal is created, and this screen is superimposed on a partial area of the operation management screen. Is displayed. That is,
A small window (window) is provided in the operation management screen used for vehicle dispatching work, and an emergency vehicle tracking screen is simultaneously displayed in this small window. Therefore, the operator can efficiently monitor the situation of the emergency dispatch vehicle in parallel with the original dispatch operation without performing any tracking display operation of the emergency dispatch vehicle. Therefore, the situation of the emergency dispatched vehicle to be monitored can always be accurately grasped without any hindrance to the original vehicle dispatching work, and appropriate countermeasures can be promptly taken.

Further, according to the present invention, in the second display control means, the emergency level is determined based on the content of the emergency signal transmitted by the vehicle, and the information indicating the determined emergency level is displayed on the emergency vehicle tracking screen. It is characterized by including and displaying. By doing so, the operator can appropriately grasp the degree of urgency of the emergency transmission vehicle to be monitored and use it for the preparation of countermeasures. As a means for displaying the information indicating the degree of urgency, it is effective to use, for example, different display colors for vehicle information.

Further, according to the present invention, in the above second display control means, when there are a plurality of vehicles that have transmitted the emergency signal, the emergency level is judged based on the contents of the emergency signals transmitted by these vehicles, It is also characterized in that an emergency vehicle tracking screen relating to a vehicle with a high degree of urgency is preferentially displayed based on this determination result. By doing this, when displaying multiple emergency vehicle tracking screens with different urgency, the screen with higher urgency is preferentially displayed, which makes A quick response is possible.

Further, according to the present invention, in the second display control means, when there are a plurality of vehicles that have transmitted the emergency signal, the emergency vehicle tracking screens relating to these vehicles are switched and displayed by time division. And By doing so, a plurality of emergency vehicle tracking screens are automatically switched and displayed, for example, at regular time intervals. Therefore, the operator can fully understand the status of all emergency dispatch vehicles without performing any display switching operation of the emergency vehicle tracking screen.

Further, according to the present invention, in the above second display control means, when the emergency vehicle tracking screen is switched and displayed, an inquiry is made to the operator for permission to switch the display, and the operator gives permission to switch the display. It is also characterized in that the emergency vehicle tracking screen is switched and displayed when input is made. With this configuration, for example, when an emergency vehicle tracking screen related to a vehicle with a high degree of urgency is displayed, it is possible to prevent the screen from switching to another tracking screen regardless of the intention of the operator. be able to.

[0014]

1 is a schematic configuration diagram of a taxi operation management system provided with a vehicle operation management device according to an embodiment of the present invention.

This system is composed of a radio base station BS equipped with a vehicle operation management device and a plurality of mobile stations connected to the radio base station BS via a radio channel of a mobile radio network. These mobile stations are taxis M1 to Mn in this embodiment.

Each taxi M1 to Mn is equipped with a vehicle dispatching instruction reception control device, a GPS receiver, and a mobile radio device.

The vehicle dispatch instruction reception control device is a radio base station BS.
When the mobile radio receives a vehicle dispatch instruction message sent from the wireless channel from the mobile radio device and the vehicle dispatch instruction message is addressed to the vehicle, the instruction content is loudly output from the speaker and displayed on the display unit. .

Further, the vehicle dispatch instruction reception control device is a base station BS.
When the information collection request message addressed to the own vehicle arrives from the position information of the own vehicle measured by the GPS receiver,
Vehicle information is generated that includes the dynamics of the own vehicle, that is, information indicating whether the vehicle is an actual vehicle carrying passengers, is an empty vehicle, or is being forwarded, and the vehicle number of the own vehicle. Then, the generated vehicle information is transmitted from the mobile wireless device to the wireless base station BS via a wireless channel. Further, the vehicle dispatch instruction reception control device is provided with an emergency call button, and when the driver presses the emergency call button, the vehicle information including the emergency signal is transmitted.

On the other hand, the vehicle operation management device provided in the base station BS has, as a basic function, each of the taxis M1 to Mn.
Collects and stores and manages vehicle information including its location information and movement information, and when a user requests a vehicle dispatch, from among the taxi vacant state based on the vehicle information of each taxi stored above It has a function of selecting a taxi located in the shortest distance to the user and giving a dispatch instruction to the taxi.

The configuration and functions of this vehicle operation management device will be described in detail below. FIG. 2 is a block diagram showing the functional configuration. That is, each taxi M1 to M
A radio signal sent from n through a radio channel is received by the antenna 11 and then input to the radio unit 12. In the wireless unit 12, low-noise amplification processing of the wireless signal, frequency conversion processing into an intermediate frequency signal or a baseband signal,
A demodulation process is performed, and the received baseband signal reproduced by this demodulation process is input to the control unit 13.

A voice processing unit 14, a display unit 17, a printer 18, an input unit 19 and a storage unit 20 are connected to the control unit 13, respectively. The voice processing unit 14 includes a control unit 13
The voice data of the taxi driver output from the above is converted into an analog voice signal and output from the speaker 15. At the same time, the voice signal of the operator input to the microphone 16 is converted into voice data and then supplied to the control unit 13.

The display unit 17 is equipped with a display using a CRT or LCD, and the taxi M1 supplied from the control unit 13 is supplied.
Display data indicating the operation management state of Mn, that is, the operation management screen is displayed. The printer 18 prints out the print data output from the control unit 13. Input section 19
Is equipped with a keyboard and a mouse, and the operator's instruction data input by operating these are input to the control unit 1.
Supply to 3.

The storage unit 20 has a program storage area and a data storage area. The data storage area includes a vehicle information area and a tracking vehicle number area. Vehicle information collected from the taxis M1 to Mn is stored in the vehicle information area. In the tracking vehicle number area, each vehicle number of the taxi that has transmitted the emergency signal and the taxi input by the operator from the input unit 19 as a tracking target displays information indicating the degree of urgency and an emergency vehicle tracking screen related to the taxi. It is stored together with the display flag indicating whether or not it is in the middle.

A vehicle information collection control program 21 and a vehicle information analysis program 22 are stored in the program storage area.
An operation management screen display control program 23 and an emergency vehicle tracking screen display control program 24 are stored therein.

The vehicle information collection control program 21 collects vehicle information periodically transmitted from the taxis M1 to Mn by a polling method and stores the collected vehicle information in the vehicle information area of the storage unit 20. , Control unit 1
3 microcomputer. The vehicle information includes the taxi position information measured by the GPS receiver and the information indicating the taxi movement as described above. When the emergency call button is pressed in the taxi, an emergency signal is included.

The vehicle information analysis program 22 has a function of reading out the vehicle information of the taxis M1 to Mn stored in the vehicle information area and causing the microcomputer of the control unit 13 to analyze the content.

The operation management screen display control program 23 is
The microcomputer of the control unit 13 is made to execute the following processing. That is, based on the content of the vehicle information of each taxi M1 to Mn analyzed by the vehicle information analysis program 22, position display data for displaying the position of each taxi M1 to Mn on the map is generated, and Display color data for displaying the movements of the taxis M1 to Mn in different colors is generated. Then, the display data of the operation management screen is created by combining the generated position display data and display color data on the map data, and the created display data of the operation management screen is displayed on the display unit 17.

Emergency vehicle tracking screen display control program 24
Causes the microcomputer of the control unit 13 to execute the following processing. That is, the vehicle information analysis program 2
When a taxi whose vehicle information includes an emergency signal is found as a result of the analysis in 2, the vehicle number of the taxi (emergency calling vehicle) that has transmitted this emergency signal is registered in the tracking vehicle number area of the storage unit 20. Also, when the operator designates and inputs a vehicle to be tracked, the vehicle number is additionally registered in the tracking vehicle number area. Furthermore, at the time of the registration, information indicating the degree of urgency is stored in association with the tracking vehicle number. The information indicating the degree of urgency is P1 indicating that the urgency is high for an emergency transmission vehicle, and P1 indicating that the degree of urgency is low for a vehicle designated and input by the operator.
Assign 2.

Then, the display data of the emergency vehicle tracking screen for displaying the emergency transmission vehicle and the tracking target vehicle on the map data is created based on the registration information. And
A small window is set in the operation management screen displayed on the display unit 17, and the display data of the emergency vehicle tracking screen is displayed in this small window.

Next, a vehicle information display operation in the vehicle operation management device configured as described above will be described. 3 and 4 are flowcharts showing the control procedure and control contents.

When starting the control of displaying the vehicle information, the control unit 13 of the vehicle operation management device first monitors the timing of collecting the vehicle information from the taxis M1 to Mn in step 3a. The vehicle information collection timing is set in advance at a fixed time interval.

In this state, at the vehicle information collection timing, the control unit 13 proceeds to step 3b, where the taxis M1 to Mn to be monitored are selected one by one and the information collection request is made to the selected taxi. Send each message. When vehicle information arrives from the taxis M1 to Mn in response to the information collection request message, the vehicle information is received and stored in the vehicle information area in the storage unit 20 (step 3c).

When the collection of vehicle information from all taxis M1 to Mn is completed, the control unit 13 creates display data for the operation management screen. That is, first, in step 3d, the taxis M1 to Mn collected above are collected.
The position display data for displaying the existing positions of the taxis M1 to Mn on the map data is generated based on the position information included in the vehicle information. Also with that, step 3e
In the above, display color data for displaying the movements of the taxis M1 to Mn in different colors is generated based on the information indicating the movements included in the vehicle information. And step 3
In f, the display data of the operation management screen is created by combining the generated position display data and display color data on the map data, and the created display data of the operation management screen is displayed on the display unit 17 by step 3g. Display it.

Next, the control unit 13 executes the display control of the emergency vehicle tracking screen according to the procedure shown in FIG. That is, first, in step 4a, it is determined whether or not an emergency signal is included in the collected vehicle information of the taxis M1 to Mn, and the presence of the taxi (emergency calling vehicle) that has transmitted the emergency signal based on this determination. If it turns out, step 4
The vehicle number of the emergency transmission vehicle is registered in the tracking vehicle number area of the storage unit 20 by b.

Along with this, the control unit 13 causes the step 4
In c, the operator's input operation of designating the tracking target vehicle is monitored. In this state, the operator selects and specifies the taxi using the mouse or cursor on the operation management screen to monitor the operation status of the taxi operated by the new driver during the education period, or the vehicle number of the taxi, for example. Suppose you key in. Then, the control unit 13 additionally registers the vehicle number of the tracking target vehicle selected and designated in step 4d in the tracking vehicle number area of the storage unit 20.

Further, in the vehicle number registration process, the control unit 13 determines whether the registered vehicle is an emergency transmission vehicle or a tracking target vehicle designated by the operator. If the vehicle is an emergency dispatch vehicle, P1 indicating that the degree of urgency is high is set, and if the vehicle is a tracking target vehicle designated by the operator, P2 indicating that the degree of urgency is low is set, and information indicating these degrees of urgency is stored. It is registered in the tracking vehicle number area of the section 20.

FIG. 6 shows an example of the storage result in the tracking vehicle number area, in which the vehicle numbers of the vehicles Mi and Mj are registered and the information P1 and P2 representing the urgency are associated with these vehicle numbers. The case where the data is stored is shown. The displayed flag indicates whether or not the emergency vehicle tracking screen related to the vehicles Mi and Mj is being displayed.

Subsequently, the control unit 13 determines in step 4e whether or not the emergency transmission vehicle or the tracking target vehicle is registered in the tracking vehicle number area. If it is registered, the process proceeds to step 4f, where the display data of the emergency vehicle tracking screen for displaying the emergency transmission vehicle or the tracking target vehicle on the map data is created.

That is, position display data representing the existing position of the vehicle and display color data for displaying the urgency of the vehicle in different colors are generated, and the generated position display data and display color data are generated. Is synthesized on the map data whose scale is enlarged. Then, a small window is provided in the operation management screen displayed on the display unit 17, and the display data of the emergency vehicle tracking screen is displayed in this small window (step 4g). In the display form of the emergency vehicle tracking screen, the display position of the icon representing the vehicle is always arranged in the center of the screen, and the map data is scrolled as the vehicle moves.

Thus, an emergency vehicle tracking screen view showing the situation of the emergency transmission vehicle or the tracking target vehicle is displayed side by side on the same display screen as the operation management screen. FIG. 5 shows an example of the display result of this emergency vehicle tracking screen. In the figure, A shows the operation management screen and B shows the emergency vehicle tracking screen.

When the emergency vehicle tracking screen is displayed, if a plurality of vehicles to be displayed are registered in the tracking vehicle number area, as shown in FIG.
Selects and displays one of these vehicles with a high degree of urgency. Then, for example, after a certain period of time has elapsed, the vehicle with the next highest degree of urgency is selected and this selected vehicle is displayed on the emergency vehicle tracking screen.

Before switching the display screen,
An inquiry message requesting permission to switch the display may be displayed to the operator, and when the operator inputs the permission to switch the display, the emergency vehicle tracking screen may be switched and displayed.

As described above, in this embodiment, when the vehicle information collected from the taxis M1 to Mn includes an emergency signal, the vehicle number is registered in the tracking vehicle number area of the storage unit 20, and The vehicle number of the taxi to be tracked designated by the operator is additionally registered in the tracking vehicle number area. Then, the display data of the emergency vehicle tracking screen for displaying the vehicle in which this vehicle number is registered is created, and a small window is provided in the operation management screen displayed on the display unit 17. The display data of the emergency vehicle tracking screen is displayed on the window.

Therefore, the operation management screen and the emergency vehicle tracking screen are displayed as a list on the display unit 17. Therefore, the operator can efficiently monitor the situation of the emergency dispatch vehicle or the tracking target vehicle in parallel with the original dispatch operation without performing any operation for tracking display of the emergency dispatch vehicle or the tracking target vehicle. . Therefore, it is possible to always accurately grasp the situation of the emergency transmission vehicle or the tracking target vehicle that is the monitoring target without hindering the original vehicle dispatching work, and it is possible to promptly take appropriate countermeasures. Become.

In addition, the degree of urgency P1 is higher than that of an emergency dispatch vehicle.
Is set, an urgency level P2 lower than P1 is set for the tracking target vehicle designated by the operator, and the urgency level is displayed in different colors. Therefore, the urgency of the emergency transmission vehicle or the tracking target vehicle can be identified at a glance.

Further, when a plurality of vehicles to be displayed are registered in a plurality of tracking vehicle number areas, one of the plurality of vehicles having the highest degree of urgency is selected and displayed. Then, for example, after a certain period of time has elapsed, a vehicle with the next highest degree of urgency is selected and this selected vehicle is displayed on the emergency vehicle tracking screen. Therefore, the operator can preferentially monitor the situation of the vehicle with high urgency.

Further, prior to the switching of the emergency vehicle tracking screen, an inquiry message asking the operator for permission to switch the display is displayed, and when the operator inputs the switching permission in response to this inquiry, the switching of the emergency vehicle tracking screen is performed. I am trying to display it. By doing so, it is possible to prevent a problem in which the emergency vehicle tracking screen is suddenly switched while the specific vehicle is being monitored.

The present invention is not limited to the above embodiment. For example, in the above-described embodiment, a high urgency level P1 is set for the emergency call vehicle, a urgency level P2 lower than P1 is set for the tracking target vehicle designated and input by the operator, and the urgency level is displayed in different colors. I chose
However, as the urgent level display means, another display means such as attaching a different mark to the icon representing the vehicle or changing the blinking cycle can be used.

Further, the emergency dispatching vehicle has a plurality of stages of urgency levels P11, P12, P13, ... Depending on the reason of the emergency.
May be set, and the set urgency levels of a plurality of levels may be displayed so that they can be further identified by color coding, attachment of marks, change of blinking period, and the like. Urgency P in this case
As a concrete setting method of 11, P12, P13, ..., For example, the highest urgency level P11 is set when the person is involved in a criminal activity, and the urgency level P12 is set when a physical abnormality occurs, and In case of getting lost, P13
It is conceivable that each of them is set.

Similarly, with respect to the tracking target vehicle designated and input by the operator, a plurality of stages of urgency levels P21, P22, P23, ... Are set according to the designated reason, and the set urgency levels of P21 are set. , P22, P23, ... Can be displayed in such a manner that they can be identified by color coding, attachment of marks, change of blinking period, and the like.

In the above embodiment, the case where the vehicle operation management device is provided in the wireless base station has been described as an example. However, the vehicle operation management device is a mobile communication network to which the wireless base station is connected, and this mobile communication network. May be connected to a wired telephone network to which is connected, or a computer network such as the Internet connected to the mobile communication network or the wired telephone network.

Furthermore, in the above-described embodiment, the case where the invention is applied to the system for managing the operation of the taxi has been described as an example. The invention is applicable.

In addition, the configuration of the vehicle operation management device, the control procedure and contents of the vehicle information collection control program, the vehicle information analysis program, the operation management screen display control program, and the emergency vehicle tracking screen display control program are also described in the present invention. Various modifications can be implemented without departing from the above.

[0054]

As described above in detail, according to the present invention, when an emergency signal is transmitted from a plurality of vehicles, the emergency signal is received via the wireless channel and the vehicle information about the vehicle that has transmitted the emergency signal. An emergency vehicle tracking screen for displaying the information on the map information is created, and the emergency vehicle tracking screen is displayed so as to be superimposed on a part of the operation management screen.

Therefore, according to the present invention, there is provided a vehicle operation management device and a control program therefor capable of efficiently and accurately monitoring the operation status of a specific vehicle without hindering the original dispatching work. You can

[Brief description of drawings]

FIG. 1 is a schematic configuration diagram of a taxi operation management system including a vehicle operation management device according to an embodiment of the present invention.

FIG. 2 is a block diagram showing a functional configuration of a vehicle operation management device of the system shown in FIG.

FIG. 3 is a flowchart showing the first half of the procedure and contents of vehicle information display control in the vehicle operation management device shown in FIG.

FIG. 4 is a flowchart showing the latter half of the procedure and contents of vehicle information display control in the vehicle operation management device shown in FIG.

5 is a diagram showing an example of display results of an operation management screen and an emergency vehicle tracking screen displayed by the vehicle information display control shown in FIGS. 3 and 4. FIG.

FIG. 6 is a diagram showing an example of information stored in a tracking vehicle number area of a storage unit.

[Explanation of symbols]

BS: Wireless base station equipped with vehicle operation management device M1-Mn ... Taxi as a mobile station 11 ... Antenna 12 ... Wireless section 13 ... Control unit 14 ... Voice processing unit 15 ... Speaker 16 ... Microphone 17 ... Display 18 ... Printer 19 ... Input section 20 ... storage unit 21 ... Vehicle information collection control program 22 ... Vehicle information analysis program 23 ... Operation management screen display control program 24 ... Emergency vehicle tracking screen display control program

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Claims (6)

[Claims] 1. Vehicle information collecting means for collecting vehicle information including information indicating movements and positions of a plurality of vehicles through a wireless channel, and vehicle information collected by the vehicle information collecting means is map information. A first display control means for creating an operation management screen for displaying the operation management screen on the display, and displaying the operation management screen on a display device; and when an emergency signal is transmitted from the plurality of vehicles, the emergency signal is displayed. An emergency signal receiving means for receiving via the wireless channel, and an emergency vehicle tracking screen for displaying the vehicle information on the vehicle that has transmitted the emergency signal on the map information, and the emergency vehicle tracking screen is displayed. A vehicle operation management device comprising: a second display control unit that displays the operation management screen on the display in a state of being overlapped with a part of the area. 2. The second display control means determines the degree of urgency based on the content of the emergency signal transmitted by the vehicle, and includes information indicating the determined degree of urgency in the emergency vehicle tracking screen. The vehicle operation management device according to claim 2, which is displayed. 3. The second display control means, when there are a plurality of vehicles that have transmitted the emergency signal, determines the degree of urgency based on the contents of the emergency signal transmitted by these vehicles, and the determination is made. The emergency vehicle tracking screen relating to a vehicle having a high degree of urgency is preferentially displayed based on the result.
The vehicle operation management device described. 4. The second display control means, when there are a plurality of vehicles that have transmitted the emergency signal, switches the emergency vehicle tracking screens related to these vehicles by time division. The vehicle operation management device according to claim 1. 5. The second display control means, when switching and displaying the emergency vehicle tracking screen, inquires of the operator for permission to switch the display, and when the operator inputs the switching permission in response to the inquiry. The vehicle operation management device according to claim 4, wherein the emergency vehicle tracking screen is switched and displayed. 6. A step of collecting, from a plurality of vehicles, vehicle information including information indicating a dynamic state and a position of each vehicle via a wireless channel, and the vehicle information collected by the vehicle information collecting means is superimposed on the map information. Creating an operation management screen for displaying, displaying the created operation management screen on a display, and when an emergency signal is transmitted from the plurality of vehicles, the emergency signal is transmitted to the wireless channel. A step of receiving the emergency signal, a step of creating an emergency vehicle tracking screen for displaying the vehicle information regarding the vehicle that has transmitted the emergency signal on the map information, and the operation of the created emergency vehicle tracking screen. And a step of displaying on the display in a state of being overlapped with a part of the management screen, the vehicle operation management control program.