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Donner Pass is a 7,056-foot-high (2,151 m) [2] mountain pass in the northern Sierra Nevada, above Donner Lake and Donner Memorial State Park about 9 miles (14 km) west of Truckee, California. Like the Sierra Nevada themselves, the pass has a steep approach from the east and a gradual approach from the west.
The road passes are generally listed from north to south, with their elevation and access road. 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 ...
I-80 west (Alan S. Hart Freeway west) / unsigned SR 89 spur to Donner Pass Road – Sacramento: Southern end of I-80 overlap; dumbbell interchange: 14.97 [N 3] 186: Central Truckee (Donner Pass Road) No northbound entrance: 16.29 [N 3] 188A: Truckee (Truckee Way) Northbound exit and southbound entrance: 16.60 [N 3]
The following is a list of mountain passes and gaps in California.California is geographically diverse with numerous roads and railways traversing within its borders. In the middle of the U.S. state lies the California Central Valley, bounded by the coastal mountain ranges in the west, the Sierra Nevada to the east, the Cascade Range in the north and the Tehachapi Mountains in the south.
UC Berkeley’s Sierra Snow Lab — which sits just off Donner Pass Road — had recorded another 23.8 inches after receiving 39.8 inches by Saturday morning: “This takes us to over five feet ...
Although this new Carson Route crossed two summits — Carson Pass over the crest of the Sierra and West Pass over the Carson Spur just to the west, these crossings were easier than Donner Pass on the Truckee Route, and only three fords of the Carson River were required.
The railroad originally traversed the steep north cliffs of the peak via tunnels and snow sheds before the 10,322-foot-long (3,146 m) Tunnel #41 running under Mount Judah and Donner Peak was opened in 1925. The peak, pass, and lake are named for the ill-fated Donner Party who spent the winter of 1846–1847 snowbound at the east end of Donner ...
Construction on the highway began in 1928, which involved the boring of three tunnels. Previously, the road was signed as U.S. Route 40 Alternate, crossing the Sierra Nevada at a lower elevation than Donner Pass on US 40, now Interstate 80 (I-80). The road was renumbered SR 70 in the 1964 state highway renumbering. Today, portions of SR 70 have ...