A review of recently available data on both on-road fuel economy and new car test fuel economy shows that while US on-road fuel economy has been flat for almost 15 years, major European countries and Japan have shown modest improvements in response to “voluntary†agreements on fuel...

Using multivariate analysis techniques to examine results of a survey of 309 single mothers on welfare in Los Angeles County, we find that a mother’s state of welfare to work and proximity to nearby licensed care impact her usage and choice of child care for her infant of preschool aged...

The deregulation experience in airline, banking, and telecommunication suggests that the heterogeneity in consumers’ preferences has important policy significance. However, the varied nature in motorists’ preferences has been hardly recognized in urban passenger transportation...

Most states tax the value of residents’ motor vehicles. In recent political debates over the future of these levies, the relative effects of these taxes on different socioeconomic groups have been a prominent question. By linking data from the Nationwide Personal Transportation Survey...

Neighborhood electric vehicles (NEVs) are small, very efficient EVs that are designed to be used for urban trips at relatively low speeds. They provide the potential for greatly reduced air pollution, energy use, petroleum imports, greenhouse gas emissions, and roadspace. Because they are very...

A fuel-based method for estimating heavy-duty diesel truck emissions is described. In this method, emission factors are normalized to fuel consumption; vehicle activity is measured by the amount of diesel fuel consumed. For the San Francisco Bay Area during summer 1996, heavy-duty diesel trucks...

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...

Freeway “deconstruction†marks an abrupt shift in urban policy. Priorities are shifting away from designing cities to enhance mobility toward promoting economic and environmental sustainability, livability, and social equity. This paper investigates the neighborhood, traffic, and...

With aggregate data from the U.S. Consumer Expenditure Survey for 19 years, 1984 through 2002, this study analyzes relationships between expenditures on transportation and communications. Several classification schemes for expenditure categories were used, from the most aggregate [two categories...

Do people actually want to travel? Not according to the conventional wisdom of the transportation profession, which holds that travel is purely a disutility to be minimized. The fundamental demand (as the common thinking goes) is to participate in various activities that happen to be spatially...