With soaring oil prices and growing concerns for global warming, there is increasing interest in the environmental performance of transportation systems. This dissertation contributes to this growing literature through three independent yet related projects essays that deal with transportation...

The main goal of this dissertation is to propose a new analytical framework and supporting optimization models that will encourage the aviation industry to incorporate alternative transportation modes when major airports in the system encounter temporary closures or severe capacity deficiencies....

One of the challenges facing intermodal integration is that the planning framework needed for it lacks appropriate measures of level of service that cut across the modes involved and the connections between them. In this study we develop a framework and a set of metrics of level of service in a...

New Urbanism seeks to exploit a relationship between urban form and travel behavior in order to develop communities which are simultaneously more egalitarian, more pleasant, and less costly to society as a whole. The focus of New Urbanist design practices is to create environments (both urban...

When a city requires on-site parking for all new housing, housing costs rise while the price of driving falls. This results in less housing and more driving. Minimum parking requirements are particularly troublesome for old, dense inner city neighborhoods. Many buildings constructed before World...

This study explores the relationships between adoption and consideration of three travel-related strategy bundles (travel maintaining/increasing, travel reducing, and major location/lifestyle change), linking them to a variety of explanatory variables. The data for this study are the responses...

Choices among alternative transit capital investments are often complex and politically controversial. There is renewed interest in the use of performance indicators to assist in making rational and defensible choices for the investment of public funds. To improve the evaluation of rail and bus...

The demand for rail transit funds greatly exceeds available monies. Worse, there is wide-spread disagreement over the wisdom of building rail systems in American cities. The Urban Mass Transportation Administration’s (UMTA’s) transit analysis methods have relied on...

All smart growth initiatives involve some degree of mixed land uses. Which mixed-use strategies – e.g., jobs-housing balance, adding retail to residential districts -- offer the greatest traffic-reducing benefits? This paper addresses this question by examining the degree to which job...

This paper presents key statistics and trends in freight transportation in the United States and California. While California is obviously a large and integral part of the national economy, there are many important differences in shipment patterns between the state and the nation as a whole....