Elise Miller-Hooks
GMU


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Publications: Journal 69

“Taxis as a Recourse Option for Ridesharing Services"

Transportation Research Record 2536, 86-97.
N. Vodopivec, D. Tobias, E. Miller-Hooks, P. Schonfeld, M. Mohebbi (2015)

Pub69Ridesharing services commonly offered at airports and to mobility-impaired persons exist worldwide. Unlike in conventional public transit, ridesharing operators maintain flexible routes and schedules that are used in providing door-to-door service. These routes and schedules are typically created assuming perfect foresight about future travel times. In practice, however, vehicles may encounter traffic congestion, be delayed due to road work or an accident, or even break down. Thus, the routes and schedules may adhere to quality-of-service constraints in planning when perfect conditions are assumed, but operationally they often violate such constraints. This paper investigates the effectiveness of routes and schedules created under a deterministic travel time assumption. It evaluates practical solutions that force the schedules to include excess slack. Finally, it proposes and assesses a recourse option for use in actual operations of assigning to taxis those passengers who are likely to be picked up late. The evaluation was completed on a real-world case study in Richmond, Virginia.


 

 



Elise Miller-Hooks, Ph.D.
Professor
Bill & Eleanor Hazel Chair in Infrastructure Engineering

Phone: 703.993.1685
Email: miller@gmu.edu

Office: 4614 Nguyen Engineering Building

Address:
Sid and Reva Dewberry Department of Civil, Environmental and Infrastructure Engineering
George Mason University
4400 University Drive, MS 6C1
Fairfax, VA 22030
USA


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