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

“Expanding to include I-40 across northwestern Arizona helps advance Gov ... intermittent shoulder and lane restrictions through the interstate until work is completed around summer 2026.

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.