CN201525995U

CN201525995U - Cloverleaf intersection scheme for urban intersections

Info

Publication number: CN201525995U
Application number: CN2009201368960U
Authority: CN
Inventors: 朱立新
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-03-03
Filing date: 2009-03-03
Publication date: 2010-07-14
Anticipated expiration: 2019-03-03

Abstract

The utility model discloses a cloverleaf intersection scheme for urban intersections, relating to an intersection which does not occupy large urban land or space, and separates pedestrians from vehicles. The cloverleaf intersection scheme is as follows: vehicles on a flyover are reasonably separated according to straight moving 2, left turn 3 and right turn 4, thus leading the vehicles to travel into individual lane without interference; as for the separated vehicles, vehicles which travel straight forward and vehicles which turn left converge close to the center of the intersection, then pass the cross bridge and travel to a ground-level inner-side ramp bridge 1, then travel away from the flyover along the ground-level road, and converge with vehicles which turn right from an outer-side ramp bridge 5, then the vehicles travel away from the intersection together. By utilizing the majority of remaining ground-level space, pedestrians and non-motor vehicles exchange roads by an middle passage and a central movement region, therefore, pedestrians and vehicles are separated, thus guaranteeing traffic safety, and shortening the time for a motor vehicle passing the intersection due to reasonable convergence of vehicles.

Description

A kind of grade separation scheme of city intersection

Technical field:

The utility model belongs to the graded crossing of intersection in the road dealings by scheme, the particularly overpass bridge of medium and small intersection, city.

Background technology:

Along with the raising of constant development of economy and living standards of the people, the automobile particularly quantity of car rapidly increases, and it is crowded that this has caused for traffic, particularly urban traffic, and especially blocking up of the intersection of down town given prominence to especially.These are local owing to be subjected to the restriction of urban development and the influence of people's action need, can't build large-scale overpass bridge and solve congested in traffic problem.Therefore need to adopt a kind of neither excessive urban land and space of taking, can effectively pedestrian and motor vehicle be separated again, can be convenient for people to movable scheme simultaneously to greatest extent.

Summary of the invention:

The purpose of this utility model is to build a kind of neither excessive urban land and locus of taking in the intersection of down town, the overpass bridge that again can be effectively pedestrian and motor vehicle be separated, the problem of solution down town traffic congestion.

The implementing method of this utility model scheme is: this programme is to build a single-deck stereo cross bridge in the intersection (no matter being crossroad or fork in the road), the descending people of the up vehicle bridge of bridge.Vehicle shunting and confluxing on bridge, that avoids that intersection brings blocks up.When vehicle drives towards the intersection, reach bridge floor along approach ramp, the ramp access bridge with the rising of pontic road to the right ground be the direction broadening on bicycle and sidewalk, make that vehicle is told craspedodrome, left-hand bend on ramp bridge, three the guiding tracks (fork in the road is as long as turn left and two tracks of leading of turning right) of turning right.When motor vehicle was passed by the intersection on bridge, sailing out of overpass bridge had two passes, Yi Tiaolu be near the center, intersection for keeping straight on and the left-hand bend vehicle is walked the inboard ramp bridge that pontic is sailed down ground after confluxing, sail out of the intersection along ground level road behind the following bridge; Another road be by the roadside from overpass bridge for the right-hand bend vehicle sail out of the intersection at present bridge remove the outside ramp bridge of row, Liang Tiaodao (bridge) is confluxing at a distance from the intersection on the road.After supplying craspedodrome and left-hand bend vehicle to conflux, sail out of the ground level road of intersection the remaining ground level road and the above ground portion at center, intersection, the center-aisle and the central movable zone that are the pedestrian and non motorized vehicle intersection and evacuate to all directions.Article two, motor vehicle sails out of in road (bridge) road of overpass bridge, remove the outside ramp bridge of row for bridge under the right-hand bend vehicle from overpass bridge by the roadside, last passage that sails out of overpass bridge also had supplementary function, when near the center, intersection for keeping straight on and the left-hand bend vehicle walks that pontic is sailed down the inboard ramp bridge on ground or the ground level road generation traffic accident or when meeting traffic jam of moving ahead after confluxing, can utilize the outside ramp bridge that supplies the right-hand bend vehicle to sail out of the intersection to evacuate.Bus station is set up on the ground level road side of sailing out of the intersection after confession right-hand bend vehicle is sailing out of under the outside ramp bridge of intersection, supplying craspedodrome and left-hand bend vehicle to conflux, can more effectively improve the efficient of intersection, traffic that is convenient for people to and activity.Under normal circumstances, when motor vehicle reaches overpass bridge along approach ramp, according to separately whereabouts respectively according to the reasonable shunting of keeping straight on, turning left, turning right, through vehicles and left-hand bend vehicle conflux on overpass bridge earlier, along overpass bridge under the inboard ramp bridge, move ahead along ground level road, sail out of the intersection after the right-hand bend vehicle that gets off with outside ramp bridge confluxes a long way off; Pedestrian and non motorized vehicle is realized changing of intersection by the center-aisle and the central active region on ground.

This programme has following characteristics:

1, the complete separated running of pedestrian and motor vehicle is eliminated people's car hidden peril of accident, prevents the generation of major traffic accidents effectively.This grade separation scheme is with the motor-driven vehicle going bridge floor, it is main mode that pedestrian and non motorized vehicle is walked the road under bridge face, and pedestrian and motor vehicle are separated fully, makes pedestrian's the unordered cruising that does not influence motor vehicle, so both improve road speed, avoided the generation of traffic accident again.

2, the handling capacity of vehicle is greatly improved in the shunting in advance of motor vehicle and do not have staggered confluxing.This grade separation scheme is divided into three with regard to the vehicle that will drive towards the intersection in advance and removes line direction on access bridge, reasonably arrange vehicle to go using Correct Lane of line direction along difference; By in the intersection,, steal the intersection of vehicle with confluxing of twice other vehicle ' that are independent of each other, make motor vehicle the time by the intersection, can keep certain travel speed, shorten the time of vehicle, improve the vehicle handling capacity of intersection by the intersection.

3, be very easy to the pedestrian, hommization is stronger.This grade separation scheme allows pedestrian and non motorized vehicle walk the road under bridge face, the pedestrian has been removed pick up from the painstaking and inconvenient of rank climbing, has made things convenient for the pedestrian who passes by on one's way on the one hand, has given up people on the other hand and has schemed facility and cross the thought of walking motorway.The pontic of motorway can also be pedestrian's sun-shading rain-proof on road surface simultaneously.Not only eliminate hidden peril of accident, also embodied the humanity concept that people-oriented from the source.

4, floor space is little, and is easy to implement.The bridge floor of the overpass bridge in this grade separation scheme only supplies motor-driven vehicle going, and pontic extends by the aerial expansion to nonmotorized vehicle lane and sidewalk, reaches the vehicle shunting requirement of bridge floor.Therefore not high to the width requirement of original ground level road, as long as generally there is Four-Lane Road above, this is the situation of the busy road in most of city.The ground resource of these intersections is in short supply, can't build large-scale overpass bridge, and this programme can remedy not enough around here, helps implementing.

5, the bus station is located at the intersection, helps pedestrian's the convenience and the prosperity of down town.This grade separation scheme brings great convenience for citizen and the visitor who passes by on one's way in the set-point, bus stop that each corner of intersection is reserved.The intersection is exactly people's traffic distribution centre originally, allows people transfer to bus here up and down, can improve people's travel efficiency to greatest extent, and such convenience must be subjected to everybody welcome, is the potential of the bustling upgrading in this intersection.

6, leave the traffic jam prediction scheme, guarantee The coast is clear.Two motor vehicles sail out of in road (bridge) road of overpass bridge in this grade separation scheme, supply the descending outside ramp bridge of right-hand bend vehicle by the roadside from overpass bridge, another passage that sails out of overpass bridge also had supplementary function, walk after confluxing that pontic is sailed down the inboard ramp bridge on ground or the ground level road generation traffic accident or when meeting traffic jam of moving ahead, can utilize the outside ramp bridge that confession right-hand bend vehicle sails out of the intersection to evacuate near the craspedodrome of center, intersection confession and left-hand bend vehicle.Guaranteed the unimpeded of road well.

Description of drawings:

Fig. 1 is the schematic perspective view of this grade separation scheme.

Fig. 2 is this grade separation scheme schematic top plan view.

Fig. 3 is shunting on the motor-driven vehicle bridge of this grade separation scheme, confluxes and the travel direction schematic diagram.

Fig. 4 is this grade separation scheme pedestrian and non motorized vehicle center-aisle and central movable zone schematic diagram.

Mark 1 among the figure for walking the inboard ramp bridge that pontic is sailed down ground near buying car in installments of center, intersection; 2 is bridge craspedodrome guiding track on the vehicle; 3 is bridge left-hand bend guiding track on the vehicle; 4 is bridge right-hand bend guiding track on the vehicle; 5 for vehicle turn right the back down bridge remove the outside ramp bridge of row; 6 is the road that vehicle carries out the transition to ground under the overpass bridge; The trade road is gone on 7 ground of sailing out of the intersection for vehicle; 8 is the placement, bus stop; 9 is sidewalk, roadside and nonmotorized vehicle lane; 10 center-aisles for pedestrian and non motorized vehicle remittance intersection central active region.

The specific embodiment:

The schematic perspective view of Fig. 1 has shown each bar runway of bridge floor and has bought car in installments near the center and passed that bridge removes capable outside ramp bridge under inboard ramp bridge that pontic arrives ground level road and the right-hand bend vehicle.The vehicle that leaves for the intersection is before arriving the overpass bridge top, sail the guiding track of craspedodrome 2, left-

hand bend

3,4 three directions of turning right respectively into, after the left-hand bend vehicle in the through vehicles in track 2 and track 3 confluxes, along inboard ramp bridge track 1 through the track 1 and track 6 pass pontic and arrive ground, 7 leave for line direction along the track; The right-hand bend vehicle is turned right and to be left for line direction along ramp bridge track, the outside 5 after entering guiding track 4, and the vehicle that comes with track 7 a long way off confluxes and sails out of the intersection.

Pedestrian and non motorized vehicle imports central active region in the sidewalk and nonmotorized vehicle lane 9 walkings at turning, roadside, intersection via center-aisle 10, according to the line direction that goes of oneself, selects corresponding center-aisle 10 to leave away in central active region.In 8 relevant positions the bus stop is set, can greatly makes things convenient for the pedestrian.

Claims

1. in the grade separation scheme of a city intersection, it is characterized in that have on the overpass bridge buy car in installments before arriving the bridge top on bridge the ramp bridge that is divided into three tracks, the bent bridge that travels for the left-hand bend vehicle, for keeping straight on and the left-hand bend vehicle is walked pontic after confluxing and sailed the inboard ramp bridge at the center, close intersection on ground and the outside ramp bridge that leans on the roadside that sails out of the intersection for the right-hand bend vehicle down; On the ground ground level road part under the bridge that sails out of the intersection after supplying craspedodrome and left-hand bend vehicle to conflux and cross in the centre of intersection walking for pedestrian and non motorized vehicle passage and central active region are partly separated.