Authorities arrested Matharu while he was driving on the Interstate 40 in Holbrook, an eastern Arizona city around 186 miles north of Phoenix, on Monday. A state trooper determined the tractor ...

Study lists several Arizona highways, including I-10, among the most dangerous in the U.S. for speeding and fatal crashes.

Arizona troopers discovered more than 550 pounds of cocaine during a traffic stop of a semitruck on Monday on Interstate 40 in Holbrook. An Arizona Department of Public Safety trooper pulled over ...

A new study is recommending several changes to Interstate 40 between Albuquerque and the New Mexico-Arizona state line.

A hunter who was shot in the leg "by an unknown person" was flown to a Las Vegas hospital on Saturday, according to police in ...