Changes in the U.S. domestic airline route system have increased competition between international gateways. To assist in understanding this phenomenon, a system of models that predicts airline passenger flows resulting from different airline gateway hubbing strategies has been developed. The...

The Intermodal Surface Transportation Efficiency Act of 1991, calls for closer coordination of intermodal transportation as a method to solve many of today’s transportation problems. The passage of this Act has prompted many engineers and planners to re-assess the potential benefits of...

This paper examines the full costs, defined as the sum of private and social costs, of a high-speed rail system proposed for a corridor connecting Los Angeles and San Francisco in California. The full costs include infrastructure, fleet capital and operating expenses, the time users spend on the...