ADOT begins construction of a wildlife overpass on I-17 to connect habitats and reduce animal-vehicle collisions.

Three high school students and one adult suffered serious injuries when their school bus crashed in Tucson, Arizona, on Tuesday.

If you want to see the future of transportation, head to Phoenix. You’ll witness a quiet revolution underway: Autonomous ...

If Scottsdale wants to ax future roundabouts, that's worth discussing. But why would we tear up a plan for one that's already under construction?