Areas with good data often have policy debates that are not possible in places with poor data. By Ben Blatt and Emily Badger Researchers say the existence of data alone can change how the police ...

Drivers across Oklahoma may occasionally notice black tubes stretched across roadways or small cameras mounted on signposts ...

Urban mobility problems demand clarity. Intersections remain the most common sites for crashes, congestion, and violations.

Many of us dread having to go through that poorly timed intersection in our area where the light is red for several minutes, turns green just long enough to let maybe three cars through, then changes ...