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.

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 ...

Beginning Friday at 9 p.m. until Sunday at 5 a.m., I-49 northbound at its intersection I-10 will be closed to all traffic.

PHOENIX — A section of the northbound lanes of Interstate 17 will be closed this weekend to allow for pavement work. Access to the freeway between Loop 303 and State Route 74 will be restricted from ...

The collision happened on Arsenal Road/Route 30 near George Street in Manchester Township around 6:15 a.m. The scene is just west of Interstate 83. Due to the crash, traffic was backed up on Route 30, ...

Officials said they are expediting repairs, but uncertain when key trail links will return as I-10 work continues ...

Stanislaus County Public Works Director David Leamon said there’s an opportunity for a scenic overlook on the route.

"Can you give me an idea of what train lines used these tracks?" Jon A. Russo asked Curious Louisiana. "Just when was the ...

The Laurel Police Department announced that both eastbound and westbound lanes of Interstate 90 between Park City and ...