Transportation Systems Management & Operations

Traffic cameras, roadside sensors, cell phones, and other technologies feed data into traffic operations and management centers that monitor traffic flow, crash occurrences, special events, and weather issues that affect drivers. Westat’s Center for Transportation, Technology & Safety Research develops methods to use this information effectively, improve its quality, and share it with the motoring public while protecting driver privacy and ensuring safety.

Project Highlights

Making roads safer with responsive technology

Stormy weather can make driving dangerous and difficult even on the best of roads. About one-fifth of crashes are weather related—they occur in rain, sleet, snow, high winds, fog,...

Measuring traffic data quality in real time

Radio broadcasters provide traffic information for listeners and subscribers, including how fast the traffic is moving, where accidents have occurred, updates on road construction, and more. Where does all...