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  • Courseware 
    Traffic Flow Theory and Simulation

    Traffic Flow Theory and Simulation

    This course discusses fundamental traffic flow characteristics and traffic flow variables. Their definitions are presented, and visualization/analysis techniques are discussed and empirical facts are presented. The empirical relation between the flow variables and the bottleneck capacity analysis are discussed. Shockwave analysis and a review of macroscopic traffic flow models are presented. Traffic flow stability issues are discussed as well as numerical solution approaches. The lectures also show how macroscopic models are derived from microscopic principles. This course provides an overview of human factors relevant for the behavior of drivers. The car-following model and other approaches to describe the lateral driving task will be discussed. The lectures also pertains to general gap acceptance modeling and lane changing. Microscopic models for pedestrian flow behavior are discussed and an in depth discussion of microscopic simulation models will be presented.

    Subjects:
    Transportation
    Keywords:
    Traffic flow -- Simulation methods Traffic engineering Traffic flow -- Mathematical models Traffic flow
    Resource Type:
    Courseware
     
  • Video 
    How Do Traffic Signals Work?

    How Do Traffic Signals Work?

    Traffic management in dense urban areas is an extremely complex problem with a host of conflicting goals and challenges. One of the most fundamental of those challenges happens at an intersection, where multiple streams of traffic - including vehicles, bikes and pedestrians - need to safely, and with any luck, efficiently, cross each others’ paths. However we accommodate it now or in future, traffic will continue to be one of the biggest challenges in our urban areas and traffic signals will continue to be one of its solutions.

    Subjects:
    Transportation
    Keywords:
    Traffic signs signals Roads -- Interchanges intersections Traffic flow
    Resource Type:
    Video