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High-efficiency passing method for road intersection

A technology of intersections and roads, applied in the field of efficient traffic at road intersections, to achieve the effect of improving efficiency and improving vehicle traffic efficiency

Active Publication Date: 2011-05-11
江西省中业景观工程安装有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, the improvement of the weaving length cannot be broken through according to the conventional thinking due to the constraints of suburban space and road width.

Method used

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  • High-efficiency passing method for road intersection

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0053] Example 1: Two arterial roads intersect, crossroads

[0054] A high-efficiency traffic method at road intersections suitable for intersections of dual arterial roads:

[0055] 1. The two intersecting main roads 1 are composed of four two-way lanes 2 disconnected by the intersection 3, and one or more two-way lanes 2 are connected in the middle section of the isolation belt 4 of each two-way lane 2. The left-turn channel 5 forms a traffic roundabout similar to a quincunx at the intersection 3, that is, an overlapping double oval traffic roundabout is formed under the control of signal lights;

[0056] 2. The distance (i.e. the weaving length) S of the left-turn channel 5 from the intersection 3 is designed according to the design speed v of the intersection 3 and the main vehicle types on the road. S≥3*(4v+L) meters, L is the length of the vehicle Ensure that the traffic flow in all directions can efficiently complete the diversion within a sufficient lane change distan...

Embodiment 2

[0060] Example 2: T-shaped intersection where the main road intersects the main road

[0061] A high-efficiency traffic method at road intersections suitable for trunk roads and T-shaped intersections of trunk roads,

[0062]1. Two intersecting main roads 1 are composed of a straight through main road 101 and a main road 102 disconnected by the straight through main road 101. They intersect at the intersection 3 to form a T-shape. The two main roads 101, 102 are two-way lanes 2, in the middle section of the isolation zone 4 of the two-way lanes 2 of the straight through arterial road 101, there is a left-turn passage 5 connected with the two-way lanes 2 of the straight through arterial road 101, at the intersection 3 forms a traffic roundabout similar to an ellipse;

[0063] 2. The distance (that is, the weaving length) S between the left-turn channel 2 on the straight-through main road 101 and the intersection 3 is designed according to the design speed v of the intersection...

Embodiment 3

[0067] Example 3: Intersection of arterial roads and secondary arterial roads, crossroads

[0068] An efficient traffic method at road intersections suitable for the intersection of main roads and secondary arterial roads and intersections:

[0069] 1. The intersecting trunk road 1 and secondary trunk road 10 are composed of one trunk road 1 and two secondary trunk roads 10 disconnected by the trunk road 1. Both the trunk road 1 and the secondary trunk road 10 are two-way lanes 2. The middle section of the isolation zone 4 of the two-way lane 2 is built with a left-turn passage 5 connecting the two-way lane 2 of the main road 1, forming an oval-shaped traffic roundabout at the crossing 3;

[0070] 2. The distance (i.e. the weaving length) S of the left-turn channel 5 on the main road 1 from the intersection 3 is designed according to the design speed v of the intersection 3 and the main vehicle types of the road. S≥3*(4v+L) meters or more, L As the length of the vehicle, it c...

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Abstract

The invention discloses a high-efficiency passing method for a road intersection adopting non-circular roundabout. A left turning passage for communicating two-way lanes of a major trunk road is built in the middle section of a straight through isolating band of the two-way lanes of the major trunk road; an approximately quincuncial or oval traffic ring island is formed on the intersection; resources of middle section of the road are thoroughly used for enhancing the passing capability of the intersection; and waste road resources are better applied. Under the condition that no overpass is built on a suburban intersection and a T-junction and buildings along streets are not removed, a left turning vehicle stream and a straight vehicle stream on the major trunk road quickly can pass the intersection without any parking; under the condition that the left turning vehicle stream and the straight vehicle stream on the major trunk road are not disturbed, a left turning vehicle stream and a straight vehicle stream on a secondary trunk road can successfully pass the intersection so that the passing vehicle streams on the intersection are simple and sequential; and 50% traffic light conversion is reduced, therefore, the purposes of largely enhancing the vehicle passing efficiency and realizing quick passing are achieved.

Description

technical field [0001] The invention relates to a high-efficiency traffic method at road intersections for improving the space for improving traffic capacity of suburban roads. Background technique [0002] At present, due to the rapid development of society and the substantial increase in people's income, public cars and private cars are developing rapidly. However, due to the lag of suburbanization construction and the narrow roads caused by the congenital deficiencies of the original planning, all traffic and people meet the crossroads. The red lights at crossroads and T-junctions basically have to stop, resulting in very congested intersections and T-junctions in every suburb, especially during rush hour, when there are overcrowded traffic and people everywhere, causing everyone to complain. Although the traffic lights at crossroads and T-junctions can control the orderly flow of vehicles, due to mutual interference between straight going and left turn, straight going an...

Claims

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Application Information

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IPC IPC(8): E01C1/02
Inventor 张静中
Owner 江西省中业景观工程安装有限公司
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