UrbanSim(link is external) is a software-based simulation system for supporting planning and analysis of urban development, incorporating the interactions between land use, transportation, the economy, and the environment. It is the result of over 15 years of active research, and has been...

The City of San Jose's Active Transportation Program is in the midst of a ten-year plan to complete a 400-mile on-street bikeway network. With more than 250 miles implemented to date, most of the easier projects have been completed. Increasingly, remaining projects are faced with constrained...

Abstract: In this talk, an overview of the recently completed National Cooperative Highways Research Program project 07-19 will be presented. In NCHRP 07-19, research was conducted on a variety of methods and technologies for collecting bicyclist and pedestrian volume data. Research included...

Tess Lengyel, Alameda County Transportation Commission’s Deputy Director of Planning and Policy, will discuss development of the local sales tax measure and the context within which it was developed; what it funds overall, including the significant amount of funding for bicycle and...

Accessibility, defined as the ease (or difficulty) with which activity opportunities can be reached from a given location, can be measured using the cumulative amount of opportunities from an origin within a given amount of travel time. These indicators can be used in regional planning and...

With the introduction and increasing reliance on the activity based approach in travel demand analysis and forecasting, discrete choice methods are more often in spatial contexts (e.g., residential location, job location, destination/activity choice). A necessity in specifying spatial choice...

We have developed a field prototype of a laser-based non-intrusive detection system for real-time measurement of delineations of moving vehicles for highway testing, based on our previous research on the laboratory prototype of the system. The primary goal of this project is to develop a roadway...

Cellular probe technology is one of several potentially promising technologies for obtaining accurate travel time information. In 1996, the Federal Communications Commission (FCC) mandated E911 requirements that cellular location be provided when 911 emergency calls come in to emergency...

This report presents the results of year two of the institutional evaluation of the TravInfo Field Operational Test (FOT). Numerous core participants and committee members were interviewed. The second year was dominated by TravInfo implementation issues, chief among which were: resolution of...

This paper presents improved solution methods for kinematic wave trafficc problems with concave flow-density relations. As explained in part I of this work, the solution of a kinematic wave problem is a set of continuum least-cost paths in space-time. The least cost to reach a point is the...