Transportation Systems Management and Operations

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,...

Assessing the performance of Atlanta's contracted highway management program

As a method for improving and maintaining our transportation infrastructure, while controlling costs, some federal, state, and regional agencies are adopting public-private partnerships for building and managing various roadways...

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...

Exploring the use of real-time travel information

We can find out about traffic congestion, crashes, and road conditions from many sources (radio, TV, highway signs, 511, smartphones, and Twitter) before we begin a trip. The Transportation...