Over the past forty years, El Sobrante, California, has changed from a small rural center in the midst of grazing land to a mostly-developed residential suburb. Both San Pablo Dam Road (the main roadway through El Sobrante) and the commercial district stretching along that roadway also have...

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....

In 1950, the US population was just over 152 million. Today, the population exceeds 298 million. Growth has not been even; much of it has occurred in the West and South. Although every state grew in population between 1950 and 2004, just three states – California, Texas, and Florida...

Considerations of the impacts of electronic technologies on transportation usually focus on substitution of communications for travel, especially telecommuting. This topic is reviewed briefly, followed by consideration of electronic technology-induced changes in the structure of firms, work by...

Reliable estimates of inhalation intake of air pollution and its distribution among a specified population are important for environmental epidemiology, health risk assessment, urban planning, and environmental policy. We computed distributional characteristics of the inhalation intake of five...

This study investigated five categories of transportation pricing measures – congestion pricing, parking charges, fuel tax increases, VMT fees, and emissions fees. Advanced travel demand models were used to analyze these measures for the Los Angeles, Bay Area, San Diego, and Sacramento...

A structured survey of transit agency staff and interviews with agency executives and other local leaders were conducted in areas that have undertaken a major transit investment project in the past 5 years. The purpose was to identify methods and procedures used to evaluate and select projects...

The devastation wrought by Hurricane Katrina has laid bare many of the disparities that continue to separate Americans by race and class. One disparity that was immediately apparent in Katrina’s aftermath concerned the size and composition of the area’s population lacking access to...

Traffic congestion has reemerged in the 1980’s as a leading public concern. In metropolitan areas throughout the United States, reports about mounting traffic levels and daily tie-ups appear on a regular basis. Highway agencies and transit operators are castigated for failing to provide...

Many transit agencies, faced with budget shortfalls, must consider increasing fares. In this paper we analyze the case of the Alameda-Contra Costa Transit District (AC Transit). In March 2005, AC Transit put forth five alternative fare proposals for public discussion. The proposed fare...