Getting stuck behind a slow driver in the left lane of a two-way interstate is a common frustration for drivers commuting between Phoenix and Tucson. "It's a passing lane. It's not a travel lane. It ...

Expanded patrols have begun on a busy portion of Interstate 17 north of Phoenix as a way of slowing drivers and increasing ...

Conservation groups say the proposed Arizona routes for an Interstate 11 project failed to consider habitat for imperiled ...

Interstate 10 appeared three times in a list of the top 10 most dangerous U.S. highways, with five Arizona freeway sections ...

Interstate 10 heading into downtown Phoenix from the West Valley was closed briefly after a crash Wednesday morning.

A man has pleaded guilty to murder in connection to a shooting that left one Arizona Department of Public Safety trooper dead and another wounded along a West Valley freeway in 2018.

Interstate 10 has reopened after it was closed for several hours Saturday morning following a deadly crash south of Queen ...

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

“The interstate’s approval was based on a deeply ... people and the climate.” The Arizona Department of Transportation confirmed in a written statement that the agency will work alongside ...

Arizona couple suing American Airlines for racial discrimination during their honeymoon Transportation agencies agree to halt Interstate 11 planning in Arizona over environmental issues Details ...