Conference paper Open Access

An integrated dynamic ridesharing dispatch and idle vehicle repositioning strategy on a bimodal transport network

Tai-Yu Ma; Joseph Y. J. Chow; Saeid Rasulkhani

In bimodal ridesharing, a private on-demand mobility service operator offers to drop off a passenger at a transit
station, where the passenger uses the transit network to get to another transit station, and the service operator
guarantees picking up the passenger to drop them off at the final destination. Such collaborations with public
transport agencies present a huge potential to increase the ridership. However, most existing studies on dynamic
dial-a-ride/ridesharing mainly focus on mono-modal cases only. We consider dynamic bimodal ridesharing
problems where real-time information is available to anticipate future demand. A new non-myopic vehicle
dispatching and routing policy based on queueing-theoretical approach is proposed and integrated with a nonmyopic
idle vehicle repositioning strategy to solve the problem. Several experiments are conducted to test the
effectiveness of this integrated solution method and measure the benefit of bimodal cooperation. The proposed
model and solution algorithm provides useful tools for real-time operating policy design of shared mobility

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