抄録
This research aims at studying impacts of real-time information on mixed traffic flows through an integrated dynamic simulation-assignment model, DynaTAIWAN. The DynaTAIWAN model is composed of two layers, namely simulation-layer and real-time control layer. The simulation layer is designed to simulate traffic flow patterns according to assumed tripmaker characteristics and/or under a set of given conditions; the real-time control layer receives real-time vehicle information and forecast short-term traffic flow patterns. In the simulation process, each vehicle is moved and tracked individually. Four different vehicle types are explicitly considered in DynaTAIWAN, including car, bus, motorcycle, and truck. Vehicles are moving along the link through macroscopic flow relationships, speeds of each type of vehicle are adjusted. Numerical experiments based on real-time information are conducted in a 50-node test network and a Taichung City Network.
