Influence of dynamic traffic control systems on the traffic flow on motorways

摘要

Dynamic traffic control systems have become an alternative to the extension of existing roadinfrastructure on German motorways. These systems are able to increase capacity, harmonisetraffic flow or distribute traffic over the network according to existing traffic conditions.Before implementing such a system, it is important for the road authority to estimate thebenefit of the system. This can be done by traditional analytical methods up to the point,where conventional methods are not able to cover the problem. In this paper the method ofmicroscopic traffic simulation is discussed as an enhanced tool for analysis. In several casestudies, the influence of dynamic traffic control systems on traffic flow combined withmotorway layout has been analysed. The results were used within the design process for therequired infrastructure to guarantee high performance traffic flow.