Construction on the Loop 303 improvements are expected to take about two and half years to complete.

A winter storm brought blowing snow that temporarily closed southbound Interstate 17 south of Flagstaff and prompted Arizona Snowbowl to shut down early Wednesday as conditions turned dangerous.

The Arizona Department of Transportation will begin working on improvements as part of the Loop 303 project near Interstate ...

The southbound lanes of Interstate 17, south of Munds Park, are closed due to winter weather and a crash, according to the Arizona Department of Transportation. "Expect delays. There is no estimated ...

A study is being conducted to refine improvements to the 15-mile corridor between Interstate 17 at Pioneer Road and Loop 101 ...

PHOENIX — Eastbound Loop 303 saw a short-lived closure at Interstate 17 in Phoenix on Monday afternoon due to a crash, according to the Arizona Department of Transportation. The crash was located near ...

The northbound lanes of Interstate 17 have reopened in Phoenix, according to the Arizona Department of Transportation. >> For real-time traffic conditions, click here. The closure at Pinnacle Peak ...

All lanes of the southbound I-17 have been reopened according to the Arizona Department of Transportation. Delays were expected to continue while the queue of cars cleared ...