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

Work on the Broadway Curve Improvement Project will block a long stretch of eastbound Interstate 10 this weekend.

Interstate 10 was noted three times in a list of the top 10 most dangerous highways in the United States. Five portions of ...

A portion of U.S. Highway 93 in Arizona is being widening are part of a long-term project on the road linking Las Vegas and ...

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

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

“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 ...

Getting stuck behind a slow driver in the left lane of a two-way interstate is a common frustration for drivers commuting ...

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 ...