The urban expressway overpass entrance is an important node of the urban road system. Traffic jams often happen at entrance. The characteristics of urban expressway entrance and the advantages of the microscopic traffic simulation were combined to analyze capacity of entrance. VISSIM simulation software was used and the validity of the simulation model was verified. The influence of the main road traffic flow and the desired speed of entrance to flow and speed of the urban expressway entrance were analyzed through simulation experiment. On the whole, traffic capacity of urban expressway entrance reduces with the increase of traffic flow on the main road. The higher the desired speed is, the faster traffic capacity reduces. The increase of speed and control of main road traffic flow is of great significance for improving the capacity and service level of expressway.
Simulation Research of Flow and Speed on Urban Expressway Interchange Entrance
Advanced Materials Research ; 779-780 ; 796-799
2013-09-04
4 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
Flow , Speed , Capacity , Simulation , Entrance , Urban Expressway
Simulation Research of Flow and Speed on Urban Expressway Interchange Entrance
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