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The year-round passes that are most likely to temporarily close for winter weather are: Mount Rose Summit, NV 431; Carson Pass, CA 88; Echo Summit, US 50; Donner Summit, I-80; Carson Pass and Echo Summit both include sections where the road traverses a steep hillside that is prone to avalanches.
See our Road Closures page to find out which Sierra passes are usually open, closed in winter, and when things change. Things can change suddenly in the mountains. Check the Caltrans QuickMap for the current conditions. Share this: Our interactive map of all 22 major Sierra Nevada mountain passes.
The highest, snowiest Sierra Nevada passes are usually closed four to six months of the year. After a particularly intense winter the last pass to be cleared for traffic won’t open until well into June. The view from Minaret Summit on CA 203.
See Caltrans QuickMap for a real-time, zoom-able California map of current traffic conditions including lane closures, CHP incidents, changeable message signs, chain controls, video cameras and more. Preparation is Key for Winter Driving Conditions.
Caltrans District 10 manages three passes in the Central Sierra that are closed during winter and re-opened in the spring. These passes are: Ebbetts Pass (State Route 4) in Alpine County, Sonora Pass (State Route 108) in Tuolumne County, and Monitor Pass (State Route 89) in Alpine County.
Dec 24, 2019 · winds through Tejon Pass at the southern end of the San Joaquin Valley. Full closures of I-5, due to snow and icy conditions, occur during the winter months an average of 3-5 times between October and April. Typically, closures last from 4-6 hours, however some may last longer than 24 hours.
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The California Department of Transportation attempts to keep Donner Summit (Interstate 80, I-80), Echo Summit (U.S. Route 50, US 50) and Carson Pass (State Route 88, SR 88) open year-round. Most other passes at higher elevation than these are usually closed during winter, with opening and closure dates varying based on snowfall and available ...
