Live I-80 status over Donner Summit: chain controls, traffic holds at the chain checkpoints and closures, straight from Caltrans and refreshed every few minutes. Truck-only restrictions are left out.
Closure or restriction on I-80 near Truckee, I-80 near Colfax, I-80 near Emigrant Gap and I-80 near Verdi. Yes, chain controls are up: R-2 on I-80 at Truckee, Floriston, Norden and Emigrant Gap (chains required except 4WD/AWD with snow tires on all four wheels). As of 7:23 pm Pacific.
Live roads, cams and lots
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Before you go
In big storms Caltrans holds or closes I-80 over the summit, sometimes for hours. US-50 over Echo Summit is the main alternate into Tahoe, but it usually has chain controls at the same time. I-80 Donner Pass cams and chain-up areas · Is Highway 50 open?.
What the levels mean: R-1 means chains are required unless you have snow tires; R-2 means chains are required on everything except 4WD/AWD vehicles with snow tires on all four wheels (and those must still carry chains); R-3 means chains on all vehicles, no exceptions. Full R-1, R-2, R-3 explainer · How to put on chains.
Lots, cams and crowd calendar by resort: Sugar Bowl · Boreal Mountain · Soda Springs · Donner Ski Ranch · Tahoe Donner Downhill · Northstar · Palisades Tahoe.