FLAGSTAFF -- Interstate 17 northbound has been closed 20 miles south of Flagstaff because of serious collision, according to the Arizona Department of Transportation.
The highway is closed at milepost 313, near Stoneman Lake. There is no estimated time to reopen the highway.
Motorists are urged to postpone travel through this area until the crash has been cleared and weather conditions improve.
Real-time highway conditions are available on ADOT’s Arizona Traveler Information site at az511.gov, by calling 511 and through ADOT’s Twitter feed, @ArizonaDOT. When a freeway closure or other major traffic event occurs, our free app available at ADOTAlerts.com will send critical information directly to app users in affected areas – where possible, in advance of alternate routes.