Public transit can be divided into fixed-route transit, flexible transit and demand-responsive transit. Different public transit has different advantages and disadvantages. In this paper, a mixed transit strategy is proposed to support planners supplied a more convenient public transit service. In this strategy, flexible transit policy is recommended to add in the area which has fixed-route transit with medium demand. The user cost function is provided to measure the service quality of a specify public transit and the whole public transit system. Based on the various scenarios, the special scenarios which represent adding flexible transit can earn more benefit, have been derived.

CICTP