Engineers conduct thousands of simulated stress tests on asphalt samples to develop asphalt that can withstand everything ...

It's unclear if Arizona will follow the U.S. Department of Justice's suggested voter registration changes sent to Secretary ...

ADOT detectives solved a decades-long identity theft case, arresting Enrique Diaz-Vazquez for using a dead child's identity.

Incidents of wrong-way collisions on Arizona highways are decreasing, according to the state's Department of Public Safety.

Passport and driver license fraud results in arrest and additional charges Arizona Department of Transportation detectives’ ...

Oza remains hospitalized. Bart Graves, a spokesman for the Arizona Department of Public Safety, said Oza's vehicle veered across all lanes of the highway before hitting the center median wall.