Interstate 70 Now Open

(Vail-AP) -- Freezing rain coated Interstate 70 with ice early Sunday morning, causing dozens of accidents and shutting down the freeway for about three hours over Vail Pass.

About 20 to 30 vehicles were involved in crashes between 5 and 5:30 a.m. The rain iced up over a stretch of the highway that reached more than 10,000 at the summit of the pass

Captain Ron Prater of the Colorado State Patrol says drivers were unprepared for the weather and a lot of people were caught off guard.

He says the driver of a tow truck has been arrested on suspicion of drunk driving after sliding into an ambulance carrying injured people. In another accident, the driver of a

Chevrolet Suburban had to be airlifted to a hospital after the SUV rolled over. The driver's condition was not immediately known.