CN1752344A - T-type signal control crossing traffic designing and traffic controlling method - Google Patents
T-type signal control crossing traffic designing and traffic controlling method Download PDFInfo
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- CN1752344A CN1752344A CN 200510030615 CN200510030615A CN1752344A CN 1752344 A CN1752344 A CN 1752344A CN 200510030615 CN200510030615 CN 200510030615 CN 200510030615 A CN200510030615 A CN 200510030615A CN 1752344 A CN1752344 A CN 1752344A
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Abstract
The present invention relates to a traffic design and traffic control method for raising T-type signal controlled crossing traffic capacity. Said invented technical scheme is characterized by adopting the following measures: exchanging the positions of traditional left-turn entrance lane and left-turn exit lane; transferring the conflict of two left-turn car flows to the road section of crossed road to form a secondary crossing, making two left-turn car flows be pssed through main crossing simultaneously: setting channelized island at outside of right-turn ramp to convenience for passerby and bicycle to cross street.
Description
Technical field
The present invention relates to a kind of traffic design and traffic control method of the T of the raising type signalized crossing traffic capacity, belong to traffic design and traffic control field.
The present invention organizes argumentation according to the traffic rules that vehicle is kept to the right, and only needs " right side " changed into " left side " when using the technical program in the country that vehicle is sailed by left lateral, " left side " is changed into " right side " get final product.
Background technology
Along with high speed development of national economy and quickening of urbanization process, China's vehicle possess amount and road Traffic Volume sharply increase, and have brought the increase of large-scale traffic jam and traffic accident, the aggravation of environment pollution and the anxiety of energy supply thus.Traffic problems have become bottleneck problem that national economy further develops and concerning the matter of the whole of sustainable development.The common way of transport solution problem not only needed to take a large amount of funds exactly by repairing the roads, make grade separation in the past, also civic landscape was caused great influence, and not quite feasible in the very nervous inner city of land resources.Therefore by scientific, modern traffic design and traffic control technology, by conceiving, optimize, integrate existing means of transportation, make full use of the existing road area and improve traffic capacity, make existing road means of transportation performance maximum effect become a very urgent problem.
The bottleneck of urban highway traffic concentrates on the intersection mostly, and the intersection is the throat of urban highway traffic, is the principal element that causes traffic delay.According to statistics, in city road network, 31% of the omnidistance journey time of the time point that vehicle delays in the intersection.The traffic flow of all directions simultaneously constantly produces intersections, interflow in crossing, shunts and conflict, and makes the intersection become the multiple point of traffic accident, has more than 60% in the traffic accident that takes place on the urban road to occur on the level-crossing.Therefore, correctly designing the intersection, and reasonably organize traffic, is to ensure urban road traffic safety and unimpeded key.
Since the eighties of last century the nineties, domestic many transportation work persons are devoted to the traffic design of urban intersection and innovation, the improvement work of traffic control.Mr. Qiao Xiaodong in Shanxi in 1998 has proposed a kind of layout and traffic organization method that adopts circuitous left-hand rotation of motor vehicle and bicycle and pedestrian to concentrate the cross junction of modes such as passing through in the patent No. is the invention of CN98125732.1, be applicable to the management and the control of traffic above-ground under level crossing and the viaduct.Its major advantage is to reduce crossing waiting time, effectively improves the crossing traffic capacity.The Yang Xiaoguang of Tongji University in 2000 professor has proposed a kind of method that improves traffic throughput at cross of city ring roads in the patent No. is the invention of CN00116469.4, layout by track, stop line and signal lamp, make the left-hand rotation car carry out twice parking, avoided and straightgoing vehicle conflicting spatially, can reach null resource when making full use of, improve roundabout mouth bus capacity more than 2 times.Mr. Yong Shangping in Sichuan in 2003 has proposed a kind of novel cross junction track set-up mode and traffic control organizational technology scheme thereof in the invention of patent No. CN200310110876.3, sail a distance, intersection at left turning vehicle and begin to be provided with one section special-purpose left turn lane, cross over roadway center line and craspedodrome exit lane then, between intersection craspedodrome exit lane and right-hand rotation exit lane, special-purpose left turn lane is set, to sail the intersection direction calculating into, roadway is provided with order and is followed successively by from right to left: right-hand bend car and straightgoing vehicle entrance lane, the straightgoing vehicle exit lane, the left turning vehicle entrance lane, left turning vehicle and right-hand bend car exit lane, when limited by road conditions, can merge left turning vehicle exit lane and right-hand bend car exit lane.Left-hand rotation, craspedodrome, right-hand rotation wagon flow are taken their own roads under signal lamp control, and the left turning vehicle and the straightgoing vehicle conflict point that heads on are eliminated on the highway section, intersection outside the intersection, improve the traffic capacity of intersection 20%～30%.
Above technology has played good effect to the traffic capacity that improves cross junction and roundabout mouth, but does not relate to the traffic improvement measure for the T-junction mouth.
Summary of the invention
The plan of traditional T type signalized crossing as shown in Figure 1.Owing to there is a left turn traffic, the left turn traffic on left turn traffic on the arterial road and subtend craspedodrome wagon flow and the cross-channel mutually forms to intersect in very among a small circle on the plane, intersection and conflicts, as shown in Figure 2.Three bursts of wagon flows all need to take the same space resource, when the traffic volume bigger, but crossing gap is not enough whole intersection traffic flows safe and efficiently by the time just must use signal controlling, give these the three bursts intersections the right of way that traffic flow distributes certain hour in turn, constitute a craspedodrome phase place and two left-hand rotation special machine motor-car signal phases.Served as the street pedestrian and non motorized vehicle more for a long time, also must design a pedestrian and non motorized vehicle and cross the street dedicated phase, forms the signal controlling scheme of one four phase place, as shown in Figure 3.Because signal phase is many more, during phse conversion lost time just many more, effective green time is just few more, the traffic capacity is just low more.Arterial road craspedodrome wagon flow can not be passed through during the left-hand rotation dedicated phase, and the delay of arterial road craspedodrome wagon flow increases greatly, has influenced the performance of arterial road functions.In order to reduce the ratio between the loss of signal time and Cycle Length in each signal period, improve the traffic capacity of intersection, and, must adopt the signal period length of length for each conflict traffic flow distributes minimum green time.But the signal period is long more, and the average queue length of interior all directions wagon flow of each signal period is just long more, just must reserve more the parking and treating row space, takies more land resources, and this inner city for the land resources anxiety influences very big.Signal period is long more, and the probability that the street pedestrian makes a dash across the red light is just big more, and the probability that traffic accident takes place is also with regard to corresponding increase.And the signal period is long, and vehicle is just big more by the total delay of intersection.
The present invention is on the basis of having drawn three inventions of forefathers, at traditional T type signalized crossing traffic design and traffic control scheme signal phase is too much, the signal period is long, the traffic capacity is low defective, a novel T type signalized crossing traffic design and a traffic control scheme has been proposed.
For achieving the above object, the present invention adopts following technical scheme:
(sail the track, intersection into is the import track to the technical program with the left-hand rotation car import track of traditional T type signalized crossing phase cross-channel highway section in the certain distance of intersection, down together) (rolling the track, intersection away from is exit lane with left-hand rotation car exit lane, change position down together), as shown in Figure 4, the conflict point of two strands of left turn traffics is transferred on the highway section of phase cross-channel and formed a secondary intersection, secondary intersection utilizes time difference and signal controlling to make two strands of left turn traffics to change safely, two strands of left-turn traffic flows of main crossings mouth can pass through the main crossings mouth simultaneously in the left-hand rotation dedicated phase, the right-hand rotation traffic flow utilization special-purpose ring road of turning right, right-hand rotation ring road arranged outside canalization island makes things convenient for pedestrian and non motorized vehicle to cross the street.This technical scheme has reduced the signal phase number of main crossings mouth, has increased effective green time, has reduced the traffic delay of arterial road, and the traffic capacity that can improve the intersection reaches more than 30%, has very considerable economic.
Following principle is followed in the design of the technical program:
(1) guarantees the unobstructed of arterial road.Arterial road have the status of particular importance in urban road network, are bearing most long-distance trip, and improving arterial road operation situation is the key that improves the urban road network traffic capacity.Therefore to distribute green time for arterial road as much as possible, reduce the stop frequency and the delay time at stop of arterial road craspedodrome wagon flow, the wagon flow that turns to of trunk can be dissipated apace, avoid its sluggish operation that influences arterial road, improve the service level of arterial road, realize with the stop frequency and the delay time at stop of sacrificing the phase cross-channel although be sometimes.
(2) reduce the number of phases of signal controlling as far as possible.The signal phase number is few more, and the loss of signal time is few more, and effective green time is many more, and the traffic capacity is big more, and the adjusting elasticity of signal period length is big more, and easy more accomplishing controlled with the coordination of phase signal control intersection.
(3) reduce traffic conflict point as far as possible.Conflict point is few more, and traffic safety is high more.Be controlled on the time for the traffic conflict point available signal that can not reduce and separate, for distribute on the space closely, the time goes up the inconvenient traffic conflict point of separation (the intersection conflict points of two strands of left-turn traffic flows as shown in Figure 2) and can spatially separate, as shown in Figure 7, the intersection conflict point of two strands of left-turn traffic flows is transferred on the phase cross-channel highway section, utilized the time difference between the conflict point to arrange the conflict traffic flow to pass through successively after separate in the space.
The scope of application of the technical program:
The technical program is applicable to that vehicle flowrate is bigger, but left turning vehicle can't utilize crossing gap current, the above arterial road of two-way Four-Lane Road that must set up left-hand rotation dedicated Lanes and left-hand rotation dedicated phase with have that to have a two-way Four-Lane Road above (when crossing road number of track-lines is less than Four-Lane Road, can be two-way Four-Lane Road near in intersection 50～100 meters scopes it being widened, the length of specifically widening decide on the size of the left-turn volume of phase cross-channel) the crossing T type signalized crossing of phase cross-channel.
Description of drawings
Fig. 1 is traditional T type signalized crossing plan
Fig. 2 is traditional T type signalized crossing traffic conflict schematic diagram
Fig. 3 is traditional T type signalized crossing signal phase plan
Fig. 4 is Novel T-shaped signalized crossing plan
Fig. 5 is Novel T-shaped signalized crossing main crossings mouth detailed design
Fig. 6 is the secondary intersection of a Novel T-shaped signalized crossing detailed design
Fig. 7 is Novel T-shaped signalized crossing traffic conflict schematic diagram
Fig. 8 is Novel T-shaped signalized crossing signal phase plan
The specific embodiment
In the specific implementation, at first need track, stop line and signal lamp are arranged.As shown in Figure 4, road intersection must have 4 above tracks, phase cross-channel for 2 tracks or 3 tracks, widen into two-way 4 tracks in 50～100 meters scopes near must be when implementing this programme with the intersection, the right-hand rotation wagon flow must be provided with the special-purpose ring road of turning right, and on the arterial road left-hand rotation dedicated Lanes must be set.Direct lane on the main crossings mouth (as shown in Figure 5) and left turn lane import track are provided with stop line behind cross walk, and viewing position is set up signal lamp forwardly, the right-hand rotation ring road is provided with stop line behind zebra crossing on the ring road, and viewing position is provided with as the case may be and allows line flag or signal lamp, concrete condition comprise pedestrian's street crossing flow and right-hand rotation vehicle flowrate size forwardly.Two stop lines are located to be provided with at distance main crossings mouth certain distance (the average queue length of left-hand rotation car in per signal period in the peak hour) in secondary intersection (as shown in Figure 6), and the two-way signaling lamp is set betwixt, guide two bursts of traffic flow exchange tracks.
Then, determine the signal phase scheme.The signal phase scheme is to determine that modal signal phase scheme is established 3 signal phases as shown in Figure 8 altogether according to the size that the different wagon flow flow formation in intersection and pedestrian and bicycle are crossed the street flow.When the vehicle flowrate of pedestrian's street crossing flow and phase cross-channel is all very little, can consider pedestrian's street crossing dedicated phase shown in Figure 83 and phase place 1 and phase place 2 are merged, street pedestrian's phase place of phase cross-channel is arranged in phase place 1, with the shared phase place of right-hand rotation wagon flow, street pedestrian's phase place of arterial road is arranged in phase place 2, with the shared phase place of left turn traffic, signal controlling becomes two phase place control, improves the traffic capacity of intersection biglyyer.When vehicle flowrate and pedestrian's street crossing flow are all very big, can consider to build the pedestrian's street crossing tunnel, make ground level road all be used for autos only, signal controlling becomes two phase place control, improves the traffic capacity of intersection biglyyer.
Also must be noted that following item in the specific implementation:
Because the wagon flow direction of adjacent lane all is opposite in four tracks of phase cross-channel, in order to guarantee safety, prevent side collision, every lane width will be widened, suggestion is adopted more than 3.5 meters, between main crossings mouth and secondary intersection, preferably adopt fence to separate on the cross-channel position of center line mutually, prevent that unfamiliar driver from swarming into the subtend track traffic accident takes place.
When arterial road have the median strip, should consider to set up the pedestrian's street crossing safety island in arterial road pedestrian's street crossing lateral road central authorities, adopt pedestrian's two phase to cross street control, shorten the length of pedestrian's street crossing signal as far as possible.
Carry out information and education widely, allow the public accept this new design scheme
There is perfect Warning Mark to give the intersection control information of driver the place ahead in advance, there is perfect floor line that driver's driving trace is carried out canalization, left-hand rotation dedicated Lanes road surface preferably adopts the colour of different colours to mat formation, and guiding driver safety smoothly passes through the intersection.
Claims (2)
1. a traffic design and traffic control method that improves the T type signalized crossing traffic capacity, it is characterized in that: with traditional T type signalized crossing phase cross-channel highway section in the certain distance of intersection left-hand rotation car import track and the position of left-hand rotation car exit lane change, the conflict point of two strands of left turn traffics is transferred on the highway section of phase cross-channel and formed a secondary intersection, secondary intersection utilizes time difference and signal controlling to make two strands of left turn traffics to change safely, two strands of left turn traffics of main crossings mouth can pass through the main crossings mouth simultaneously in the left-hand rotation dedicated phase, the right-hand rotation wagon flow utilization special-purpose ring road of turning right, right-hand rotation ring road arranged outside canalization island makes things convenient for pedestrian and non motorized vehicle to cross the street.
2. a kind of traffic design and traffic control method that improves the T type signalized crossing traffic capacity according to claim 1, it is characterized in that determining the signal phase of intersection according to the size that the different wagon flow flow formation in intersection and pedestrian and bicycle are crossed the street flow, modal signal phase scheme comprises phase place 1 (arterial road craspedodrome wagon flow phase place), phase place 2 (left turn traffic phase place) and phase place 3 (pedestrian's street crossing dedicated phase) be totally 3 signal phases, when the vehicle flowrate of pedestrian's street crossing flow and phase cross-channel is all very little, can consider phase place 3 (pedestrian's street crossing dedicated phase) and phase place 1 and phase place 2 are merged, street pedestrian's phase place of phase cross-channel is arranged in phase place 1, with the shared phase place of right-hand rotation wagon flow, street pedestrian's phase place of arterial road is arranged in phase place 2, with the shared phase place of left turn traffic, signal controlling becomes two phase place control, improves the traffic capacity of intersection biglyyer.When vehicle flowrate and pedestrian's street crossing flow are all very big, can consider to build the pedestrian's street crossing tunnel, make ground level road all be used for autos only, signal controlling becomes two phase place control, improves the traffic capacity of intersection biglyyer.
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| CN 200510030615 CN1752344A (en) | 2005-10-18 | 2005-10-18 | T-type signal control crossing traffic designing and traffic controlling method |
| CN 200610101045 CN1880577A (en) | 2005-10-18 | 2006-07-03 | Improvement of traffic design and traffic control method for novel T-shape signalized crossing |
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| CN 200510030615 CN1752344A (en) | 2005-10-18 | 2005-10-18 | T-type signal control crossing traffic designing and traffic controlling method |
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| CN100538766C (en) * | 2007-08-24 | 2009-09-09 | 南京莱斯大型电子系统工程有限公司 | The system and method for pedestrian's street crossing traffic signals control |
| CN102024329A (en) * | 2010-12-08 | 2011-04-20 | 江苏大学 | Coordination control method for crossroad left-turning pre-signal and straight-going successive signal |
| CN102493377A (en) * | 2011-12-08 | 2012-06-13 | 中山大学 | Centralized traffic control mechanism for crossroad |
| CN102660912A (en) * | 2012-05-30 | 2012-09-12 | 中铁第四勘察设计院集团有限公司 | Safety warning method for widened area on inner side of small-radius curve of road |
| CN103426314A (en) * | 2013-07-17 | 2013-12-04 | 安锐 | Planar intersection canalization traffic system |
| CN104008657A (en) * | 2014-06-05 | 2014-08-27 | 东南大学 | Method for channelization control over T-shaped intersection under emergency evacuation condition |
| CN104313964A (en) * | 2014-10-24 | 2015-01-28 | 吴小平 | Designing scheme of polygonal T-shaped rotary intersection |
| CN104328722A (en) * | 2014-09-28 | 2015-02-04 | 吴小平 | Design scheme of one-way lane-changing T-shaped intersection |
| CN104452503A (en) * | 2014-10-24 | 2015-03-25 | 吴小平 | Design scheme for concave-polygon-shaped cross ring road intersection |
| CN104574979A (en) * | 2014-11-28 | 2015-04-29 | 北京尚易德科技有限公司 | Photographing system and method for behaviors of motor vehicle passing through crosswalk not stopping to give way according to law |
| CN105279980A (en) * | 2015-11-05 | 2016-01-27 | 苏州设计研究院股份有限公司 | Method for judging whether signal control intersection adapts to continuous flow intersection transformation |
| CN105489026A (en) * | 2015-12-30 | 2016-04-13 | 吉林大学 | Windmill type intersection design method |
| CN106337343A (en) * | 2016-07-05 | 2017-01-18 | 张明 | Three-way intersection and lane change control method thereof |
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| CN107808531A (en) * | 2017-10-12 | 2018-03-16 | 宁波大学 | It is a kind of based on pre-signal close to stagger intersection wagon flow passing method |
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| CN111951561A (en) * | 2020-08-31 | 2020-11-17 | 杭州海康威视数字技术股份有限公司 | Method and device for determining adjustment strategy of signal control scheme |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100538766C (en) * | 2007-08-24 | 2009-09-09 | 南京莱斯大型电子系统工程有限公司 | The system and method for pedestrian's street crossing traffic signals control |
| CN102024329A (en) * | 2010-12-08 | 2011-04-20 | 江苏大学 | Coordination control method for crossroad left-turning pre-signal and straight-going successive signal |
| CN102493377A (en) * | 2011-12-08 | 2012-06-13 | 中山大学 | Centralized traffic control mechanism for crossroad |
| CN102493377B (en) * | 2011-12-08 | 2014-07-02 | 中山大学 | Centralized traffic control mechanism for crossroad |
| CN102660912A (en) * | 2012-05-30 | 2012-09-12 | 中铁第四勘察设计院集团有限公司 | Safety warning method for widened area on inner side of small-radius curve of road |
| CN102660912B (en) * | 2012-05-30 | 2014-11-26 | 中铁第四勘察设计院集团有限公司 | Safety warning method for widened area on inner side of small-radius curve of road |
| CN103426314A (en) * | 2013-07-17 | 2013-12-04 | 安锐 | Planar intersection canalization traffic system |
| CN104008657A (en) * | 2014-06-05 | 2014-08-27 | 东南大学 | Method for channelization control over T-shaped intersection under emergency evacuation condition |
| CN104328722A (en) * | 2014-09-28 | 2015-02-04 | 吴小平 | Design scheme of one-way lane-changing T-shaped intersection |
| CN104313964A (en) * | 2014-10-24 | 2015-01-28 | 吴小平 | Designing scheme of polygonal T-shaped rotary intersection |
| CN104452503A (en) * | 2014-10-24 | 2015-03-25 | 吴小平 | Design scheme for concave-polygon-shaped cross ring road intersection |
| CN104574979A (en) * | 2014-11-28 | 2015-04-29 | 北京尚易德科技有限公司 | Photographing system and method for behaviors of motor vehicle passing through crosswalk not stopping to give way according to law |
| CN105279980A (en) * | 2015-11-05 | 2016-01-27 | 苏州设计研究院股份有限公司 | Method for judging whether signal control intersection adapts to continuous flow intersection transformation |
| CN105279980B (en) * | 2015-11-05 | 2017-11-14 | 苏州设计研究院股份有限公司 | Judge whether signalized crossing is applied to the method for continuous stream intersection transformation |
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| CN107808531B (en) * | 2017-10-12 | 2020-07-28 | 宁波大学 | Traffic flow passing method for adjacent and staggered intersections based on pre-signal |
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| CN109706807A (en) * | 2017-10-25 | 2019-05-03 | 山东大学 | A new left-turn lane and left-turn method at an intersection |
| CN108221518A (en) * | 2017-12-29 | 2018-06-29 | 王乐 | T-junction section and the traffic method in T-junction section |
| CN110607723A (en) * | 2018-06-14 | 2019-12-24 | 邹洤 | A non-motor vehicle/pedestrian auxiliary road of expressway |
| CN111462491A (en) * | 2019-12-10 | 2020-07-28 | 北京航空航天大学 | A Traffic Conflict Early Warning Method Based on Ramp Control in Expressway Convergence Area |
| CN111462491B (en) * | 2019-12-10 | 2022-03-01 | 北京航空航天大学 | Expressway confluence area traffic conflict early warning method based on ramp control |
| CN111951561A (en) * | 2020-08-31 | 2020-11-17 | 杭州海康威视数字技术股份有限公司 | Method and device for determining adjustment strategy of signal control scheme |
| CN114120665A (en) * | 2022-01-29 | 2022-03-01 | 山东科技大学 | Intelligent phase control method and system based on pedestrian number |
| CN116863721A (en) * | 2023-07-24 | 2023-10-10 | 武汉理工大学 | A vehicle continuous flow control method and device at a "T"-shaped intersection |
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