CN101789180A - Traffic control method of T-shaped road crossing - Google Patents
Traffic control method of T-shaped road crossing Download PDFInfo
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- CN101789180A CN101789180A CN201010103702A CN201010103702A CN101789180A CN 101789180 A CN101789180 A CN 101789180A CN 201010103702 A CN201010103702 A CN 201010103702A CN 201010103702 A CN201010103702 A CN 201010103702A CN 101789180 A CN101789180 A CN 101789180A
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Abstract
The invention discloses a traffic control method of a T-shaped road crossing. The T-shaped road crossing comprises a main road and a crossing road and is characterized in that a section of separating device is arranged on a driveway in the traffic direction at the outside of the main road, the driveway at the outside of the main road is separated into two parts: a straight-through area and a left-turn area, so that the straight-through area sustains continuous traffic status to ease vehicle delay at the road crossing. In the invention, the vehicle delay at the crossing can be eased and traffic capacity of the T-shaped road crossing can be improved by 30% so long as the T-shaped road crossing is slightly changed; in addition, the method of the invention features economy, environmental protection and considerable energy conservation effect.
Description
Technical field
The present invention relates to the technical field of traffic control of intersection, relate to a kind of traffic control method of T-junction mouth in particular.
Background technology
After entering 21 century, China's economy keeps rapid growth, urbanization and the develop rapidly of motor vehicle process, vehicle possess amount and road Traffic Volume sharply expand, and problems such as the urban traffic blocking that brings thus, traffic safety, energy resource consumption and environmental pollution have become the matter of the whole that concerns national economy sustainable development.In quite a while in the past, country has dropped into a large amount of financial resource and material resource on development foundation is built, yet the free space resource in the city is more and more in short supply, and construction cost is also more and more higher, and it is not quite feasible to solve congested in traffic mode by newly-built road equipment.So, must improve road passage capability by the traffic design advanced person, science and traffic control technology.
The traffic problems of urban road network often concentrate on the transport node, these transport nodes comprise crossing, grade separation and field, junction etc., and the One's name is legion of crossing, so the traffic delay in city and traffic hazard all occur in the crossing mostly, according to statistics, in urban road network, the time that vehicle delays in the crossing accounts for 31% of the omnidistance time, the traffic hazard that takes place in the crossing accounts for more than 60% of urban traffic accident total amount, therefore, scientific and effective crossing design becomes guarantee urban traffic safety and unimpeded key with control.The transportation work person of China has carried out a large amount of research and has obtained positive achievement in crossing design and control field, yet these achievements all concentrate on the research field of cross crossing mostly, seldom relevant for the current T-junction mouth of continuous green light and the achievement in research of traffic control thereof.
Be illustrated in figure 1 as the layout of traditional T-junction mouth, the up-run lane of major trunk roads has 3 Through Lanes and a left turn lane of widening, there are 2 Through Lanes and the shared track of turning right of keeping straight in descending track, the access mouth of cross channel has a left turn lane and a right-turn lane, the control signal lamp of this T-junction mouth has three phase places usually, comprises phase inversion position, the left and right sides, the left-hand rotation outside the major trunk roads and the craspedodrome phase place of cross channel, the two-way craspedodrome phase place of major trunk roads.Because of cross channel has only a left turn lane, and the import track of major trunk roads and exit lane all have three tracks, so when the control signal lamp is first phase place, often the left turn traffic of cross channel only needs an outlet to receive the track, and the import Through Lane of the major trunk roads corresponding with exit ramp all is the red light waiting status, the waste that this has just caused path resource has reduced the traffic capacity of major trunk roads, so needs to improve the traffic control method of traditional T-junction mouth.
Summary of the invention
The present invention is exactly the traffic control method of a kind of T-junction mouth of proposing in order to address the above problem, only need existing T-junction mouth is done less change, can reduce the crossing traffic delay, improve the existing T-junction mouth traffic capacity and reach more than 30%, economy, environmental protection and energy-saving benefit are considerable.
The present invention adopts following technical scheme to realize above-mentioned purpose: a kind of traffic control method of T-junction mouth, this T-junction mouth includes major trunk roads and cross channel, it is characterized in that: on the track of major trunk roads outside direction of traffic, one section separating device is set, the major trunk roads kerb lane is divided into the keep straight on district and the district's two parts that turn left; Do not having the pedestrian to pass through under the situation of major trunk roads demand, its traffic control signal has three phase places, comprises that phase inversion position, the cross channel left and right sides, major trunk roads turn left to distinguish current phase place, the two-way craspedodrome phase place of major trunk roads, and major trunk roads outside craspedodrome district maintenance green light continues current; There is being the pedestrian to pass through under the situation of major trunk roads demand, the pedestrian is set in the crossing passes through major trunk roads induction PBU pushbutton unit, when this induction PBU pushbutton unit is not sensed the pedestrian who passes through major trunk roads, its traffic control signal is identical with the situation that the above-mentioned pedestrian of not having passes through the major trunk roads demand, when this induction PBU pushbutton unit has been sensed the pedestrian need pass through major trunk roads the time, its traffic control signal has three phase places, comprise about cross channel and to change and the pedestrian passes through the major trunk roads phase place, the major trunk roads outside turns left to distinguish and the current phase place in the district that keeps straight on, the two-way craspedodrome phase place of major trunk roads, the major trunk roads outsides keep straight on that the district changes about cross channel and the pedestrian keeps the red parking state when passing through the major trunk roads phase place.
As further specifying of such scheme, described craspedodrome district includes the part or all of Through Lane in the major trunk roads outside.
Described left-hand rotation district includes the left turn lane and the part Through Lane in the major trunk roads outside or includes only the left turn lane in the major trunk roads outside.
Described separating device is the mark post of fence or spaced set.
Described T-junction mouth middle part is provided with roadmarking or entity security island.
The beneficial effect that the present invention adopts above technical scheme to reach is: the present invention partly or entirely separates major trunk roads outside Through Lane, the separated Through Lane of the motor vehicles and the major trunk roads outside that cross channel is turned left is spatially kept apart, wagon flow and the major trunk roads outside craspedodrome wagon flow of avoiding cross channel to turn left to import cross, when cross channel is turned left, the Through Lane in the major trunk roads outside also can pass through, even there is being the pedestrian to pass through under the situation of major trunk roads demand, by being located at pedestrian's street crossing induction PBU pushbutton unit and induced signal, also can improve the major trunk roads traffic capacity and reach more than 30%.
Description of drawings
Figure 1 shows that traditional T-junction mouth synoptic diagram;
Figure 2 shows that the partitioned portion Through Lane but do not have the T-junction mouth synoptic diagram on major trunk roads walkway;
Figure 3 shows that the partitioned portion Through Lane and be provided with the T-junction mouth synoptic diagram on major trunk roads walkway;
Figure 4 shows that the T-junction mouth synoptic diagram of separating whole Through Lanes but not having the major trunk roads walkway;
Figure 5 shows that the T-junction mouth synoptic diagram of separating whole Through Lanes and being provided with the major trunk roads walkway.
Embodiment
Because of vehicle right-hand rotation generally all allows, the red signal of not kept straight on limits, so following examples are all considered the right-hand rotation phase place situation of permission, below in conjunction with drawings and Examples the present invention is elaborated:
Embodiment one
Be illustrated in figure 2 as a kind of T-junction mouth that does not have the major trunk roads walkway, the major trunk roads of this T-junction mouth are six-lane, cross channel is a Four-Lane Road, be provided with the walkway at cross channel, major trunk roads are provided with the median strip, begin to be provided with 50 meters long separation road surface, track solid line graticule for 150 meters in upstream, crossing, the major trunk roads outside, two Through Lanes in the major trunk roads outside are separated, the suggestion vehicle can not carry out the track conversion, the 50 meters long entity tracks that broaden are set behind this solid line graticule separate pavement strip, forbid that vehicle carries out the track conversion, then in the upstream, crossing 50 meters 50 centimeters wide mark posts are set, the downstream be provided with equally the symmetry 50 meters long 50 centimeters wide iron and steel mark post, pavement strip and separation road surface, 50 meters long vehicle roads dotted line graticule are separated in the 50 meters long entity tracks of widening.
The traffic control method of T-junction mouth is as follows in the present embodiment: control signal is provided with three control phases, the one, phase inversion position, the cross channel left and right sides, the 2nd, major trunk roads turn left to distinguish current phase place, the 3rd, the two-way craspedodrome phase place of major trunk roads, these three control phases are controlled one after the other by traffic lights, two Through Lanes in separated craspedodrome district, the major trunk roads outside then are to keep the current state of green light always, to improve the major trunk roads traffic efficiency.If consider the demand of pedestrian by major trunk roads, crossing or other cross-road passages for pedestrians of pedestrian traffic to T-junction mouth upstream or downstream were shifted in suggestion when present embodiment was implemented, as overpass etc.
Embodiment two
In view of the most of urban intersection of China all has the pedestrian to pass through the demand of major trunk roads, if the pedestrian that the T-junction mouth need be able to not be passed through major trunk roads is transferred to upstream or other cross-road passages for pedestrians of downstream, then must in the design of T-junction mouth and control phase, consider the demand that the pedestrian passes through major trunk roads.As shown in Figure 3; present embodiment is compared with embodiment one, removes major trunk roads and also is provided with the walkway, and the mark post between keep straight on district and left-hand rotation are distinguished is wide to reach one meter; and pass through the stagnant district that stops of major trunk roads the pedestrian and be provided with outside the peripheral protection stake, the T-junction mouth of all the other facilities and layout and embodiment one is in full accord.In the present embodiment, can pass through major trunk roads wait place the major trunk roads pedestrian is provided with the pedestrian and passes through major trunk roads inductions PBU pushbutton unit and arrange the pedestrian to pass through the major trunk roads signal in real time, if the pedestrian who does not have to pass through major trunk roads, then control signal is consistent with the control signal of embodiment one; Pass through the pedestrian of major trunk roads if necessary, then control phase has three: the one, and commentaries on classics and pedestrian pass through the major trunk roads phase place about cross channel; The 2nd, the major trunk roads outside turns left to distinguish and the current phase place in the district that keeps straight on; The 3rd, the two-way craspedodrome phase place of major trunk roads, and the major trunk roads outsides keeps straight on that the district changes about cross channel and the pedestrian keeps the red parking state when passing through the major trunk roads phase place.
Embodiment three
As shown in Figure 4, present embodiment is compared with embodiment one, three Through Lanes in the major trunk roads outside are all separated, and on the median strip, open the cross channel road junction of turning left out in the downstream of major trunk roads outsides direction of traffic, also be provided with the left turn traffic traffic guidance central security island of entity in T-junction mouth central authorities, and pavement strip is separated in the mark post that broadens of major trunk roads outsides direction of traffic upstream and downstream and entity track can be reduced to 10 meters long, thereby and simultaneously the track in downstream separate road surface solid line graticule change dotted line into and be provided with the road surface arrow guided vehicle incorporated into laterally by the inboard from the inboard incorporating into laterally.In addition, all the other structure and layout are consistent with embodiment, and the traffic control phase place of present embodiment is also consistent with embodiment one.
Embodiment four
As shown in Figure 5, present embodiment is compared with embodiment three, and except that major trunk roads were provided with the walkway, all the other structure and layout and embodiment's three was in full accord.The traffic control phase place of present embodiment and embodiment's two is in full accord.
Only be the part of preferred embodiment of the present invention shown in the above embodiment of the present invention and the accompanying drawing, can not limit to the present invention with this, under the condition that does not break away from marrow of the present invention, any change that those skilled in the art did all belongs to protection scope of the present invention.
Claims (5)
1. the traffic control method of a T-junction mouth, this T-junction mouth includes major trunk roads and cross channel, it is characterized in that: on the track of major trunk roads outside direction of traffic, one section separating device is set, the major trunk roads kerb lane is divided into the keep straight on district and the district's two parts that turn left; Do not having the pedestrian to pass through under the situation of major trunk roads demand, its traffic control signal has three phase places, comprises that phase inversion position, the cross channel left and right sides, major trunk roads turn left to distinguish current phase place, the two-way craspedodrome phase place of major trunk roads, and major trunk roads outside craspedodrome district maintenance green light continues current; There is being the pedestrian to pass through under the situation of major trunk roads demand, the pedestrian is set in the crossing passes through major trunk roads induction PBU pushbutton unit, when this induction PBU pushbutton unit is not sensed the pedestrian who passes through major trunk roads, its traffic control signal is identical with the situation that the above-mentioned pedestrian of not having passes through the major trunk roads demand, when this induction PBU pushbutton unit has been sensed the pedestrian need pass through major trunk roads the time, its traffic control signal has three phase places, comprise about cross channel and to change and the pedestrian passes through the major trunk roads phase place, the major trunk roads outside turns left to distinguish and the current phase place in the district that keeps straight on, the two-way craspedodrome phase place of major trunk roads, the major trunk roads outsides keep straight on that the district changes about cross channel and the pedestrian keeps the red parking state when passing through the major trunk roads phase place.
2. the traffic control method of T-junction mouth according to claim 1 is characterized in that: described craspedodrome district includes the part or all of Through Lane in the major trunk roads outside.
3. the traffic control method of T-junction mouth according to claim 1 and 2 is characterized in that: described left-hand rotation district includes the left turn lane and the part Through Lane in the major trunk roads outside or includes only the left turn lane in the major trunk roads outside.
4. the traffic control method of T-junction mouth according to claim 1 is characterized in that: described separating device is the mark post of fence or spaced set.
5. the traffic control method of T-junction mouth according to claim 1 is characterized in that: described T-junction mouth middle part is provided with roadmarking or entity security island.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010103702A CN101789180A (en) | 2010-01-28 | 2010-01-28 | Traffic control method of T-shaped road crossing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010103702A CN101789180A (en) | 2010-01-28 | 2010-01-28 | Traffic control method of T-shaped road crossing |
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| CN101789180A true CN101789180A (en) | 2010-07-28 |
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| CN201010103702A Pending CN101789180A (en) | 2010-01-28 | 2010-01-28 | Traffic control method of T-shaped road crossing |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107221176A (en) * | 2017-06-23 | 2017-09-29 | 安徽超清科技股份有限公司 | intelligent vehicle safety traffic system |
| CN116863721A (en) * | 2023-07-24 | 2023-10-10 | 武汉理工大学 | Continuous flow control method and device for vehicles at T-shaped intersection |
-
2010
- 2010-01-28 CN CN201010103702A patent/CN101789180A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107221176A (en) * | 2017-06-23 | 2017-09-29 | 安徽超清科技股份有限公司 | intelligent vehicle safety traffic system |
| CN116863721A (en) * | 2023-07-24 | 2023-10-10 | 武汉理工大学 | Continuous flow control method and device for vehicles at T-shaped intersection |
| CN116863721B (en) * | 2023-07-24 | 2024-01-23 | 武汉理工大学 | Continuous flow control method and device for vehicles at T-shaped intersection |
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Application publication date: 20100728 |