This dissertation examines how people understood the phenomenon of traffic congestion in Boston in the 1890's and 1920's, tracking the evolution of their ideas between two periods. Then, as today, public discussions of policies to relieve congestion were based upon ideas about such issues as...

Transportation planning research addresses accessibility from diverse approaches, focusing varyingly on the usability of the transportation system as a whole, a particular mode, the pattern of land uses, or the wherewithal of individuals and communities to make use of those systems. One...

Mexico City is a suburban metropolis, yet most of its suburbs would be unfamiliar to urbanists accustomed to thinking about US metropolitan regions. Mexico City’s suburbs are densely populated—not thinly settled—and its residents rely primarily on informal transit...

Past research has shown that transit passengers’ fears and concerns about safety influence their travel decisions. While the relationship between women’s fear of crime and public space has been the focus of considerable research, transit environments—which are especially...

In India, demand for urban mobility is increasing rapidly because of growth in urban populations, establishment of multiple employment sub-centers, suburbanization of households,better education, higher workforce participation rates, and rising incomes. An increase in discretionary spending...