A large number of heavy-duty trucks idle a significant amount. Heavy-duty line-haul truck engines idle about 20-40% of the time the engine is running, depending on season and operation. Drivers idle engines to power climate control devices (e.g., heaters and air conditioners) and sleeper...

Government-industry R&D partnerships can play an important role in advancing the public interest. A widely cited example is the Partnership for a New Generation of Vehicles (PNGV). It was launched in 1993 by the Clinton Administration and three US automakers, with the goal of advancing the...

Vehicle fleets are a poorly understood part of the economy. They are important, though, in that they purchase a large share of light-duty vehicles and are often targeted by governments as agents of change. We investigate fleet purchase behavior, using focus groups, interviews, and mail and...

This dissertation examines the effect of work and non-work scheduling flexibility on the timing of work trips. It explores whether increasing activity scheduling flexibility, whether due to work or non-work factors, results in non-peak travel and hence shorter travel times. It examines in detail...

This dissertation describes a strategy which makes all commuters better off (i.e. a Pareto efficient strategy) for the time-dependent morning commute problem, even if the collected revenues are not returned to the population of commuters. The proposed strategy will apply road pricing as a tool...

One of the most pressing and pervasive problems facing contemporary American society concerns the alarmingly high rates of joblessness suffered by inner-city African-American youth. Rates of black youth unemployment and joblessness far exceed those of white youth. For the year 1995, the...

Oakland has more BART stations than any other Bay Area jurisdiction, numerous mixed-use neighborhoods, and one of the highest bike-to-work mode shares in the country. Yet, the City has failed to fully take advantage of these natural advantages, partially due to the lack of a cohesive vision for...

This is a recording of a presentation made by SafeTREC GIS Project Manager John Bigham explaining new features to the Transportation Injury Mapping System website, tims.berkeley.edu