Communities are traditionally built with one transportation mode and user in mind—the adult automobile driver. Recently, however, there has been an international focus on the trip to school as an opportunity to enhance children’s independent active travel. Several factors must be...

Pedestrian accidents among children are an important transportation issue. Several recent policy initiatives have focused on reducing childhood pedestrian accident in the United States, yet those efforts exist within a context of limited and often insufficient data. This paper describes new data...

Walking or bicycling to school could contribute to children’s daily physical activity, but physical environment changes are often needed to improve the safety and convenience of walking and cycling routes. The California Safe Routes to School (SR2S) legislation provided competitive funds...

To date, the literature on urban design and walking has often emphasized more macro-scale features, such as block length and number of intersections, that are easier to measure remotely using GIS and or aerial photographs. Urban designers, in contrast, emphasize the importance of micro-scale...

This report describes the progress made from April, 2002 through January, 2003 in the UC-Irvine evaluation of the California Safe Routes to School construction program. The UC-Irvine research is a pre- and post-evaluation of selected California SR2S sites to determine the effectiveness of...

China faces rising rates of overweight, obesity, and physical inactivity among its citizens. Risk is highest in China’s rapidly growing cities and urban populations. Current urban development practices and policies in China heighten this risk. These include policies that support...

Project included three major parts: 1) field measurements of particulate matter in five urban areas, 2) laboratory modeling of flow and dispersion within model urban areas, and 3) numerical modeling. Project website and database are located at http://emissions.engr.ucr.edu/.

The January 17, 1994 Northridge Earthquake damaged four major freeways in the Los Angeles area, creating the prospect of gridlock in the nation's prototypical automobile city. This paper examines the effect of the transportation damage on business activity. Using survey responses from 559 firms...