Update at 3:25pm: All lanes are now open. Remember to keep it slow during wet weather and check #QuickMap for real time roadway conditions at https://quickmap.dot.ca.gov/ or download the app. Update at 1:45pm: Westbound I-80 is back open but with reduced lanes. Take caution if traveling through the area as the #2 lane remains closed. No ETO and expect delays. #TrafficAlert 10/2/25 at 1:00 pm. Westbound I-80 in Placer County is closed at Colfax due to a traffic collision. All vehicles are to exit