Winter weather from a major coast-to-coast storm closed a major interstate and other state highways in northern Arizona on Friday morning.

PARKS, Ariz. (AP) — A winter storm dumped heavy snow across northern Arizona on Friday, playing a major factor in a more than 15-mile backup on a major interstate. Semi-trucks and other vehicles were stalled on Interstate 40 westbound between Flagstaff and Williams late Friday as the sun set. The standstill dragged on for hours.

A winter storm struck northern Arizona on Thursday, March 13, bringing heavy snow to the area, causing multiple highway closures. A Snow Squall Warning was issued for Flagstaff. RESTRICTIONS AND USAGE TERMS: Please credit “@bobthe1dog via Spectee”.

Northern Arizona highways, including I-40 were shut down Thursday night into Friday due snow and a deadly collision on I-40. This same system will bring blizzard-like conditions to the northern tier states.