An analysis of intermodal ramp selection methods

A key issue affecting the viability and efficacy of intermodal transportation via truck and rail is the operational selection of intermodal ramps. In this paper, two alternatives for ramp selection are examined. Both methods seek to reduce total empty and circuitous miles incurred during intermodal drayage movements. The sensitivity to the ramp group configuration and to freight compatibility is tested to determine the robustness of the findings. The analysis is industrially motivated, using data supplied by J.B. Hunt Transport, Inc. The primary contribution of the paper is in quantifying the performance of the ramp selection methods in various operational settings.