CN106448197A - Bus priority based four-way roundabout traffic guide device and traffic light control method - Google Patents
Bus priority based four-way roundabout traffic guide device and traffic light control method Download PDFInfo
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- CN106448197A CN106448197A CN201611128757.4A CN201611128757A CN106448197A CN 106448197 A CN106448197 A CN 106448197A CN 201611128757 A CN201611128757 A CN 201611128757A CN 106448197 A CN106448197 A CN 106448197A
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- circuit
- public
- signal lighties
- entrance driveway
- crossing
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/07—Controlling traffic signals
- G08G1/087—Override of traffic control, e.g. by signal transmitted by an emergency vehicle
Abstract
The invention provides a bus priority based four-way roundabout traffic guide device. Outermost lanes of entrance lanes and exit lanes are bus lanes, a ring lane comprises general vehicle ring lanes on the inner side and a bus ring lane on the outer side, and the bus lanes are communicated with the bus ring lane; bus stations are arranged along sidewalks of weaving sections of a roundabout on the outer side of the bus ring lane, and bus stop areas matched with the bus stations are arranged on the bus ring lane; a first stop line and exit lane signal lights are arranged between each entrance lane and the ring lane; each general vehicle ring lane is provided with second stop lines and ring lane signal lights staggered at corresponding road positions. Continuity of the bus lanes in the roundabout is improved, and buses are given with spatial priority in traffic; mutual interference between general vehicles and bus lanes is reduced, and running efficiency of buses in the roundabout is improved.
Description
Technical field
The invention belongs to Intersection at Grade of Urban Road traffic design field, and in particular to a kind of based on public traffic in priority four
Road traffic circle guiding device and method for controlling traffic signal lights.
Background technology
China is in the high-tide period of urbanization and the dual development of motorization at present, and population continues to assemble to big city, soil
Ground resource growing tension, urban traffic jam is also increased.Used as " tremulous pulse " of urban development, public transport has collection
About efficiently, the advantage such as energy-conserving and environment-protective, is this approach of Glycine tomentella for alleviating urban transport problems.Propose from October, 2012 comprehensively real
Apply after city bus first develop strategy, China's urban public tranlport system is at aspects such as circuit mileage number, operating vehicles
All obtain and develop rapidly, but still the development of social economy and the demand of resident trip is not adapted to, according to statistics China key city
Average bus trip share rate is less than 30%, and small and medium-sized cities are about 10%.The service level of urban public transport is largely determined
Determined its trip share rate, at this stage by planning and designing construct with public transport be leading Metropolitan Integrative Traffic system be one
Item significant challenge.
Bus-transit, as a kind of mode of transportation that is extensively accepted by the people, in urban public tranlport system
Still in the highest flight, the passenger traffic volume undertaken by which is more than 70%.By arranging public transportation lane and crossing in basic road
Nearby bus-only approach is set, public transit vehicle right-of-way is imparted, but is lacked inside crossing correspondingly public
The design of preferential support facility is handed over, especially the non-general intersection with traffic circle as representative, wagon flow organizing is relative complex,
The interflow of public transit vehicle and public vehicles, shunting largely reduce the operational efficiency of public transit vehicle, and synchronous signal controls
Red light phase place also result in delay of the public transit vehicle in crossing.
While Public Transport Priority Development strategy is implemented, safety problem is also required to concern, at present as bus stop is attached
The unreasonable setting of nearly cross-road passages for pedestrians, the phenomenon common occurrence that passenger is jaywalked for transfer.Research shows, 85%
The acceptable transfer distance of transfer passenger is 124m, the acceptable transfer distance of 50% transfer passenger be 174m, when actual public affairs
When handing over transfer distance more than acceptable transfer distance, passenger is easier to select other modes of transportation or jaywalks, and generates
Potential potential safety hazard.
Content of the invention
The technical problem to be solved in the present invention is：A kind of four tunnel traffic circle guiding devices based on public traffic in priority are provided
And method for controlling traffic signal lights, improve operational efficiency of the public transit vehicle in traffic circle.
The present invention by solving the technical scheme taken of above-mentioned technical problem is：A kind of four tunnels annular based on public traffic in priority
Crossing guiding device, it includes 4 that rotary island positioned at crossing center, the circuit around rotary island setting are connected with circuit
Bar road, per bar road on be equipped with entrance driveway and exit ramp, it is characterised in that：The outermost track of entrance driveway and exit ramp is
Public transportation lane, described circuit includes the special circuit of public transport in the public vehicles circuit of inner side and outside, and described public transport is special
Connected with the special circuit of road and public transport；
Footpath at the special circuit exterior annular crossing weaving section of public transport is provided with bus stop, on the special circuit of public transport
It is provided with the Stop of bus area that mates with bus stop；
The first stop line and entrance driveway signal lighties are provided between described entrance driveway and circuit；Described public vehicles circuit is right
Answer and at road, be provided with the second stop line and circuit signal lighties for staggering.
By such scheme, this guiding device also includes overpass, and the setup of entrances and exits of overpass is in described annular
In footpath at the weaving section of crossing.
By such scheme, between described public vehicles circuit and Stop of bus area, the society of entrance driveway and exit ramp front end
Isolated column can be equipped between vehicle circuit and the special circuit of public transport.
By such scheme, described public vehicles circuit is more than 2, and the special circuit of described public transport is 1.
By such scheme, described public vehicles circuit, the special circuit of public transport, entrance driveway per bar track and exit ramp
Per bar track, width is equal.
A kind of corresponding traffic signal control method of described four tunnel traffic circle guiding devices based on public traffic in priority,
It is characterized in that：If the direction of 4 roads is east, south, west, north four direction,
Phase place one：Crossing south orientation entrance driveway signal lighties put green light, and the public vehicles of south orientation entrance driveway enter traffic circle and press
Counterclockwise detour, while red light is put in west, north, east orientation entrance driveway；Crossing Nei Xi, north, east orientation circuit signal lighties put green light,
Public vehicles to be gone are shunted to roll rotary island away from or continue to detour, while south orientation circuit signal lighties put red light；
Phase place two：Green light is put to entrance driveway signal lighties and north, east, south orientation circuit signal lighties in crossing west；Crossing north, east, south
Red light is put to entrance driveway signal lighties and west to circuit signal lighties；
Phase place three：Green light is put to circuit signal lighties in crossing north orientation entrance driveway signal lighties and east, south, west；Crossing east, south, west
Red light is put to entrance driveway signal lighties and north orientation circuit signal lighties；
Phase place four：Crossing east orientation entrance driveway signal lighties and south, west, north orientation circuit signal lighties put green light；Crossing south, west, north
Red light is put to entrance driveway signal lighties and east orientation circuit signal lighties；
Above four phase places are circulated successively in turn.
As stated above, when the length of the second stop line queuing vehicle is less than or equal to parking capacity, using following two
Phase signal wheel secondary control：
First phase：North-south entrance driveway signal lighties and crossing East and West direction circuit signal lighties put green light, and East and West direction entrance driveway is believed
Signal lamp and crossing north-south lane-change signal lighties put red light；
Second phase：East and West direction entrance driveway signal lighties and crossing north-south lane-change signal lighties put green light, and north-south entrance driveway is believed
Signal lamp and crossing East and West direction circuit signal lighties put red light.
As stated above, Signalized control do not received by buses.
Beneficial effects of the present invention are：
1st, pass through circuit outermost arrange public transportation lane, by special for the public transport enter（Go out）Mouth road extends to traffic circle
Inside, is directly connected with the public transportation lane, is improve seriality of the public transportation lane in crossing, is imparted buses
Right-of-way spatially；Improve to exist with public vehicles in traditional endless crossing weaving section public transit vehicle and close
Stream, the defect of diverging conflicts, reduce interfering between public vehicles and public transit vehicle, improve public transit vehicle in ring
The operational efficiency of shape crossing.
2nd, by arranging overpass, and public transport stops at the weaving section of traffic circle by the setup of entrances and exits of overpass
Pulling on bystander trade, needing the passenger of transfer purpose bus station to be reached using overpass, average transfer distance exists
Within 100m, reduce the Public Transport Transfer distance of passenger, improve bus service level；While crossing Slow transport system and car
Row system is separated, it is ensured that the safety of pedestrian's street crossing.
3rd, the traffic signal control method of coupling, buses are not controlled by signal lighties, are reduced and are caused because of red light phase place
Time delays, impart public transit vehicle right-of-way in time, it is achieved that " space is preferential " of public transport and " when
Between preferential ".
Description of the drawings
Fig. 1 is the structural representation of one embodiment of the invention.
Fig. 2 is the traffic signalization Signal Phase Design schematic diagram of one embodiment of the invention.
In figure：1- rotary island, 2- circuit, 2-1- public vehicles circuit, the special circuit of 2-2- public transport, 3- road, 3-1- import
Road, 3-2- exit ramp, 3-3- public transportation lane, 4- bus stop, 5- Stop of bus area, the first stop line of 6-, 7- entrance driveway
Signal lighties, the second stop line of 8-, 9- circuit signal lighties, 10- overpass, 11- isolated column.
Specific embodiment
With reference to instantiation and accompanying drawing, the present invention will be further described.
The present invention provides a kind of four tunnel traffic circle guiding devices based on public traffic in priority, as shown in figure 1, it includes position
4 roads 3 that rotary island 1, the circuit 2 for arranging around rotary island 1 in crossing center is connected with circuit 2, per on bar road 3
Entrance driveway 3-1 and exit ramp 3-2 is equipped with, the outermost track of entrance driveway 3-1 and exit ramp 3-2 is public transportation lane 3-3, institute
The circuit 2 that states includes the special circuit 2-2 of public transport in the public vehicles circuit 2-1 of inner side and outside, described public transportation lane 3-3
Circuit 2-2 special with public transport is connected；Footpath at the special circuit 3-3 exterior annular crossing weaving section of public transport is provided with public transport
Bus stop 4, the special circuit 2-2 of public transport is provided with the Stop of bus area 5 that mates with bus stop 4；Described entrance driveway 3-1 with
The first stop line 6 and entrance driveway signal lighties 7 are provided between circuit 2；Described public vehicles circuit 2-1 is set at corresponding road 3
There is the second stop line 8 and circuit signal lighties 9 for staggering.
Preferably, this guiding device also includes overpass 10, and the setup of entrances and exits of overpass 10 is in described annular
In footpath at the weaving section of crossing.
Preferably, between described public vehicles circuit 2-1 and Stop of bus area 5, before entrance driveway 3-1 and exit ramp 3-2
Between the public vehicles circuit 2-1 circuit 2-2 special with public transport at end, isolated column 11 is equipped with.In order to reduce public vehicles operation
Impact to public transit vehicle turnover traffic circle and bus platform, by arranging hard isolation facility, specification public vehicles
Driving trace with public transit vehicle, it is to avoid public vehicles take public transportation lanes 4, improve public transit vehicle travel speed and
Safety.
Described public vehicles circuit 2-1 is more than 2, and the special circuit 2-2 of described public transport is 1.
Described public vehicles circuit 2-1, the special circuit 2-2 of public transport, entrance driveway 3-1 per bar track and exit ramp 3-2
Per bar track, width is equal.
A kind of corresponding traffic signal control method of described four tunnel traffic circle guiding devices based on public traffic in priority,
As shown in Fig. 2 providing a kind of specific entrance driveway signal lighties 7 and 9 phase coordination design of circuit signal lighties, the signal timing dial
Scheme adopts Four-phase control, and each entrance driveway 3-1 is let pass successively by clockwise sequence, and public transportation lane 3-3 does not receive entrance driveway
Signal lighties 7 control, and can be entered inside traffic circle at any time.If the direction of 4 roads is east, south, west, north four direction,
Phase place one：Crossing south orientation entrance driveway signal lighties put green light, and the public vehicles of south orientation entrance driveway enter traffic circle and press
Counterclockwise detour, while red light is put in west, north, east orientation entrance driveway；Crossing Nei Xi, north, east orientation circuit signal lighties put green light,
Public vehicles to be gone are shunted to roll rotary island away from or continue to detour, while south orientation circuit signal lighties put red light；
Phase place two：Green light is put to entrance driveway signal lighties and north, east, south orientation circuit signal lighties in crossing west；Crossing north, east, south
Red light is put to entrance driveway signal lighties and west to circuit signal lighties；
Phase place three：Green light is put to circuit signal lighties in crossing north orientation entrance driveway signal lighties and east, south, west；Crossing east, south, west
Red light is put to entrance driveway signal lighties and north orientation circuit signal lighties；
Phase place four：Crossing east orientation entrance driveway signal lighties and south, west, north orientation circuit signal lighties put green light；Crossing south, west, north
Red light is put to entrance driveway signal lighties and east orientation circuit signal lighties；
Above four phase places are circulated successively in turn.
Preferably, when the length of the second stop line queuing vehicle is less than or equal to parking capacity, in order to improve social car
Traffic efficiency, following Two-phases signal wheel secondary control can be adopted：First phase：North-south entrance driveway signal lighties and intersection
Mouth East and West direction circuit signal lighties put green light, and East and West direction entrance driveway signal lighties and crossing north-south lane-change signal lighties put red light；The
Two phase：East and West direction entrance driveway signal lighties and crossing north-south lane-change signal lighties put green light, north-south entrance driveway signal lighties and
Crossing East and West direction circuit signal lighties put red light.
Signalized control do not received by buses.
The applicable elements of the technical program are：Number of track-lines in circuit 23 and more than, it is ensured that the special ring of public transport is set
Road 2-2 is less on the current impact of public vehicles；Public transport vehicle flowrate is larger, and especially right-hand rotation public transport accounts for major portion, it is ensured that road
The making full use of of resource；Footpath tool is wide enough, meets the width requirement for arranging bus stop；Weaving section has enough
Length, meets the length requirement for arranging bus stop.
In order to ensure public transit vehicle is in the right-of-way of traffic circle, the outermost track of circuit 2 is set to public transport
Special circuit 2-2, its width is identical with public transportation lane 3-3, and public transportation lane 3 is extended to inside traffic circle, with public affairs
Hand over special circuit 2-2 directly to connect, improve seriality of the Bus road power in crossing.In circuit 2, public transport is set
Although special circuit 2-2 reduces the traffic capacity of crossing public vehicles to a certain extent, impart public transit vehicle and exist
Crossing right-of-way spatially, is mutually agreed with the development strategy of following " public traffic in priority ".
In order to shorten the transfer distance of passenger, the service level of public transport is improved, along public transport at the weaving section of traffic circle
On the outside of special circuit 2-2, footpath is provided with bus stop 4, and the side of bus stop 4 is provided with four of overpass 10 and goes out
Entrance, needs the passenger of transfer to reach purpose bus station using overpass 10, and average transfer distance deficiency 100m, absolutely most
Within the scope of the acceptable transfer distance of number transfer passenger, potential potential safety hazard is reduced.While public transit vehicle follows entrance
Away from the principle that the nearest bus platform of its Way out is stopped, to guarantee that each bus station stops the equilibrium of number of, lines, such as
For the straight trip public transit vehicle of southern entrance driveway, i.e., stop in the bus station of crossing northeastward.
In order that the public vehicles for entering in ring friendship are after by first stop line 6 of entrance driveway 3-1, not in ring downstream
The second stop line 8 on road 2 carries out second parking at once, and entrance driveway signal lighties 7 and circuit signal lighties 9 should carry out linkage control
System.
Above example is merely to illustrate the design philosophy of the present invention and feature, its object is to make technology in the art
Personnel will appreciate that present disclosure and implement according to this, protection scope of the present invention is not limited to above-described embodiment.So, all according to
The equivalent variations that is made according to disclosed principle, mentality of designing or modification, all within protection scope of the present invention.
Claims (8)
1. a kind of four tunnel traffic circle guiding devices based on public traffic in priority, it includes rotary island positioned at crossing center, encloses
Around 4 roads being connected with circuit of circuit that rotary island is arranged, per bar road on be equipped with entrance driveway and exit ramp, its feature
It is：The outermost track of entrance driveway and exit ramp is public transportation lane, and described circuit includes the public vehicles circuit of inner side
With the special circuit of the public transport in outside, described public transportation lane connected with the special circuit of public transport；
Footpath at the special circuit exterior annular crossing weaving section of public transport is provided with bus stop, on the special circuit of public transport
It is provided with the Stop of bus area that mates with bus stop；
The first stop line and entrance driveway signal lighties are provided between described entrance driveway and circuit；Described public vehicles circuit is right
Answer and at road, be provided with the second stop line and circuit signal lighties for staggering.
2. four tunnel traffic circle guiding devices based on public traffic in priority according to claim 1, it is characterised in that：Originally lead
Stream device also includes overpass, the footpath of the setup of entrances and exits of overpass at described traffic circle weaving section
On.
3. four tunnel traffic circle guiding devices based on public traffic in priority according to claim 1, it is characterised in that：Described
Public vehicles circuit and Stop of bus area between, public vehicles circuit and the special circuit of public transport of entrance driveway and exit ramp front end
Between, it is equipped with isolated column.
4. four tunnel traffic circle guiding devices based on public traffic in priority according to claim 1, it is characterised in that：Described
Public vehicles circuit be more than 2, the special circuit of described public transport be 1.
5. four tunnel traffic circle guiding devices based on public traffic in priority according to claim 1, it is characterised in that：Described
Public vehicles circuit, the special circuit of public transport, entrance driveway per bar track and exit ramp per bar track, width is equal.
6. a kind of corresponding traffic signal control of four tunnel traffic circle guiding devices based on public traffic in priority described in claim 1
Method processed, it is characterised in that：If the direction of 4 roads is east, south, west, north four direction,
Phase place one：Crossing south orientation entrance driveway signal lighties put green light, and the public vehicles of south orientation entrance driveway enter traffic circle and press
Counterclockwise detour, while red light is put in west, north, east orientation entrance driveway；Crossing Nei Xi, north, east orientation circuit signal lighties put green light,
Public vehicles to be gone are shunted to roll rotary island away from or continue to detour, while south orientation circuit signal lighties put red light；
Phase place two：Green light is put to entrance driveway signal lighties and north, east, south orientation circuit signal lighties in crossing west；Crossing north, east, south
Red light is put to entrance driveway signal lighties and west to circuit signal lighties；
Phase place three：Green light is put to circuit signal lighties in crossing north orientation entrance driveway signal lighties and east, south, west；Crossing east, south, west
Red light is put to entrance driveway signal lighties and north orientation circuit signal lighties；
Phase place four：Crossing east orientation entrance driveway signal lighties and south, west, north orientation circuit signal lighties put green light；Crossing south, west, north
Red light is put to entrance driveway signal lighties and east orientation circuit signal lighties；
Above four phase places are circulated successively in turn.
7. traffic signal control method according to claim 6, it is characterised in that：Length when the second stop line queuing vehicle
When degree is less than or equal to parking capacity, using following Two-phases signal wheel secondary control：
First phase：North-south entrance driveway signal lighties and crossing East and West direction circuit signal lighties put green light, and East and West direction entrance driveway is believed
Signal lamp and crossing north-south lane-change signal lighties put red light；
Second phase：East and West direction entrance driveway signal lighties and crossing north-south lane-change signal lighties put green light, and north-south entrance driveway is believed
Signal lamp and crossing East and West direction circuit signal lighties put red light.
8. the traffic signal control method according to claim 6 or 7, it is characterised in that：Signalized control do not received by buses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611128757.4A CN106448197A (en) | 2016-12-09 | 2016-12-09 | Bus priority based four-way roundabout traffic guide device and traffic light control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611128757.4A CN106448197A (en) | 2016-12-09 | 2016-12-09 | Bus priority based four-way roundabout traffic guide device and traffic light control method |
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| CN106448197A true CN106448197A (en) | 2017-02-22 |
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ID=58216342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611128757.4A Pending CN106448197A (en) | 2016-12-09 | 2016-12-09 | Bus priority based four-way roundabout traffic guide device and traffic light control method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108182803A (en) * | 2017-12-31 | 2018-06-19 | 欧亮 | Environmentally friendly public transport scheme based on existing road |
| CN108677633A (en) * | 2018-07-13 | 2018-10-19 | 东南大学 | A kind of public traffic in priority large-sized annular intersection |
| CN108961783A (en) * | 2018-09-05 | 2018-12-07 | 吉林大学 | A kind of indirect optimal control method of rotary island based on the control of upstream intersection |
| CN111962346A (en) * | 2020-08-17 | 2020-11-20 | 中南民族大学 | Method for realizing transfer of 'one-way and one-line' mode at roundabout |
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| CN101251953A (en) * | 2008-04-03 | 2008-08-27 | 同济大学 | Unsymmetrical space-time optimizing control method for rotary intersection |
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| CN108677633A (en) * | 2018-07-13 | 2018-10-19 | 东南大学 | A kind of public traffic in priority large-sized annular intersection |
| CN108961783A (en) * | 2018-09-05 | 2018-12-07 | 吉林大学 | A kind of indirect optimal control method of rotary island based on the control of upstream intersection |
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| CN111962346A (en) * | 2020-08-17 | 2020-11-20 | 中南民族大学 | Method for realizing transfer of 'one-way and one-line' mode at roundabout |
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Application publication date: 20170222 |
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