Highway 401 Closure Update #Hwy401, westbound is currently CLOSED, from Cedar Creek Road to Oxford Road 29. Closure is estimated to be until approximately 6:00 pm, while crews on scene safely clear spilt liquid asphalt. Traffic that is currently stuck between Cedar Creek Rd and Oxford Rd 29, is being detoured on the shoulder around the collision scene. Once all traffic is cleared, crews can commence scene clean up. Updates to be provided once available. ^mf #OxfordOPP | Ontario Provincial Police

***** ⚠️ UPDATE: I-80 westbound traffic is now being released over Donner Summit (12/25/25 at 8:45pm) ⚠️ 🚧 TRAFFIC ALERT (12/25/25 at 7:20pm) 🚧 Westbound I-80 traffic is currently being turned around at Truckee due to multiple spin-outs and jackknifed big rigs over Donner Summit. At this time, there is no estimated time of reopening. ** for updates on road conditions visit the Caltrans QuickMap app  | CHP - Truckee