Why does the 15 freeway become a state route and not remain as an interstate south of Interstate 8 in San Diego?

Westbound Interstate 10 was closed in Tempe early Thursday due to a law enforcement situation, authorities said.

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

The Arizona Department of Transportation announced major weekend traffic closures for the Broadway Curve Improvement Project.

A crash involving a pedestrian in the East Valley has closed the westbound lanes of Interstate 10, authorities said. The westbound lanes of I-10 are closed at US 60 and State Route 143, the Arizona ...

After a historic winter storm hit the Interstate 10 corridor on Tuesday, parts of the vital east-west artery remain closed ...

Interstate 10 in the Baton Rouge metro area reopened to both eastbound and westbound traffic Thursday afternoon, the Department of Transportation and Development announced.

In Orleans Parish, U.S. 90 is closed on the Crescent City Connection bridge, between Westwood Drive and State Route 428 and between Interstate 10 and Tchoupitoulas Street. Also closed is the State ...