Signal light linkage control system of express way ramp outlet and adjacent intersection in city

A technology for intersections and signal lights, which is applied to the traffic control system of road vehicles, traffic control system, and traffic signal control to achieve the effect of improving traffic transportation capacity, preventing traffic accidents and improving safety.
CN101958049AInactive Publication Date: 2011-01-26ιš‹δΊšεˆš +3
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Patent Information

Authority / Receiving Office
CN Β· China
Current Assignee / Owner
ιš‹δΊšεˆš
Publication Date
2011-01-26
Estimated Expiration
Not applicable Β· inactive patent

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Abstract

The invention relates to a signal light linkage control system of an express way ramp outlet and an adjacent intersection in a city. The linkage control system is provided with a linkage control unit which is used for carrying out linkage controlling on an express way ramp outlet signal light at the connecting part of the express way outlet ramp and a side road as well as an intersection signal light arranged on the down stream of the express way outlet ramp adjacent to the express way outlet ramp according to the traffic flow data of the express outlet ramp, thus the traffic jam at the express way outlet ramp is effectively relieved. In addition, the linkage control system guarantees that the travelling of vehicles on the side road on the upper stream of the outlet ramp is not limited by the signal light through controlling the signal light on the side road on the upper stream of the outlet ramp under the condition that the outlet ramp has no traffic jams, thereby the traffic transportation capacity of the side road is effectively improved.
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Description

Technical field

[0001] The invention relates to the field of intelligent traffic control, in particular to a system that can perform linkage control on signal lights according to the traffic flow of an urban expressway exit ramp and adjacent intersections. Background technique

[0002] The urban expressway is the main artery of the urban road network. It satisfies the sustainable development of the city with fast, connected, and large-capacity traffic functions. However, the problem of traffic congestion on expressways has become increasingly prominent in recent years, which has seriously affected the efficiency of urban expressways. .

[0003] The above-mentioned expressway problem has a very obvious traffic situation, that is, during the traffic peak period, the traffic density of the main road is already quite high, so at the exit ramp of the main road expressway, there will be a large number of vehicles that need to go from the expressway. The road exits and enters the auxilia...

Claims

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