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Road buffering island and use thereof

A technology for buffering islands and roads, applied to roads, roads, buildings, etc., can solve the problems of increasing waiting lanes, intersection congestion, increasing the number and time of traffic light changes, etc., achieving short completion periods, avoiding congestion, and avoiding vehicle crossing conflicts Effect

Inactive Publication Date: 2009-04-29
张立胜
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, to control the traffic of vehicles turning left at intersections, it is generally necessary to set up special left-turn parking lanes at intersections and traffic lights and left-turn signals for separate control. is one of the main causes of road congestion

Method used

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  • Road buffering island and use thereof
  • Road buffering island and use thereof

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Embodiment Construction

[0014] The present invention will be further described below in conjunction with the accompanying drawings.

[0015] figure 1 Shown, the road buffer island of the present invention, its basic structure is made up of outer ring island 1, four-in and four-out inner lane 2 and inner ring island 3. The outer ring islands are composed of eight guide islands distributed in the same ring, and the suitable width of the ring is one lane, and the width of the four-in and four-out inner lanes guided by the eight guide islands is one or two lanes (this picture is two lanes). Lane), the port lane is tangent to the inner ring lane, the four exits correspond to the front road, and the four entrances are distributed on the counterclockwise side of the exit position. The curvature radius of the inner ring island should be suitable for large vehicles to turn. The aforementioned structure road The buffer island is generally set in the central area of ​​the intersection.

[0016] The main funct...

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Abstract

The invention discloses a road buffering island and application thereof, and belongs to the field of traffic design. The road buffering island is realized through the following technical proposal: a basic structure of the road buffering island consists of an outer ring archipelago, a four-in and four-out inner lane and an inner ring island; and the road buffering island is generally arranged in a road central region. The road buffering island is designed and has the function of a crossing ring island; the inside of the road buffering island is also provided with a buffering passage specially for the left turn of vehicles; the buffering passage has main functions of adjusting the straight movement and the left turn of the vehicles in a crossing and the conflict between rapidness and slowness, buffering a few vehicles and dredging most vehicles and is complementary with a planar turning and returning point road unit and a vehicle shunting traffic light technology, can reduce shunting or even has no shunting and can effectively get rid of the influence of the left-turn vehicles on the crossing, thereby relieving the phenomena of crossing congestion and p[laying important functions on improving traffic capacity and safety level of urban roads.

Description

technical field [0001] The invention relates to the field of traffic design, in particular to a road buffer island and its application. Background technique [0002] At present, to control the traffic of vehicles turning left at intersections, it is generally necessary to set up special left-turn parking lanes at intersections and traffic lights and left-turn signals for separate control. It is one of the main causes of intersection congestion. With the popularization and application of the new technology of road units at plane turning points and vehicle diversion traffic lights, part of the diversion of left-turning vehicles will be carried out, and the regular waiting at intersections will be changed to rapid diversion. In the implementation, the fewer vehicles that are considered as diversion, the better. A new road buffer island design scheme is proposed, which can reduce traffic diversion or even no diversion, and can effectively get rid of the influence of left-turnin...

Claims

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Application Information

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IPC IPC(8): E01C1/02
Inventor 张立胜
Owner 张立胜
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