Freeway collisions are thought to be affected by traffic states. To reduce the number of collisions, the study to reveal how the traffic states influence collisions are required. Therefore, the purpose of the paper is to suggest a method to relate traffic states to collision frequency in...

San Francisco has received recognition as one of the most walkable cities in the U.S., but also has high levels of pedestrian injuries and fatalities per capita. This talk will cover San Francisco's innovative Pedestrian Strategy and compare it to trend setters such as New York City and London.

Better data on pedestrian volumes are needed to improve the safety, comfort, and convenience of pedestrian movement. This requires more carefully-developed methodologies for counting pedestrians as well as improved methods of modeling pedestrian volumes. This paper describes the methodology used...

To manage events associated with highways, data systems have been developed to store relevant event information. To reap the full benefits of geographic information system technologies, the relative locations can be integrated into a linear referencing system. The objective of this paper...

The epidemic of obesity and increased health care costs is a growing issue that is no longer confined to the public health field. Transportation agencies have begun to examine the impact of projects on public health. The Metropolitan Transportation Commission conducted a first of its kind...

High-occupancy vehicle (HOV) lanes have been deployed as a tool for traffic management in urban freeway systems to improve reliability and mobility of trips. As they are planned to traverse crowded urban areas, it is often difficult to acquire sufficient right-of-way for retrofitting HOV lanes...

Whether you're driving to work, to a doctor's appointment, or to dinner with a friend, you don't want to reach your destination and then circle the neighborhood for 40 minutes looking for a parking space. You want even less to compete with dozens of other cars looking for that same vacant space,...