Abstract
Optimization of adaptive traffic signal timing is one of the most complex problems in traffic control systems. In order to obtain control parameters of transit signal priority of the urban roads, a bi-objective optimization model for signal timing is established. The delay and stop times as the goal of optimization are calculated respectively. And the corresponding constraint condition is built. The method can optimize green splits and offset at the urban arterial road. A VISSIM simulation was developed to evaluate the performance of the proposed bi-objective optimization model. The results show that the optimizer can produce TSP timing plans that benefit the transit vehicles while minimizing the impact of TSP on the general vehicles.
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