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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.
Emigrant Gap is a gap in a ridge on the California Trail as it crosses the Sierra Nevada, to the west of what is now known as Donner Pass.Here the cliffs are so steep that, back in the 1840s, the pioneers on their way to California had to lower their wagons on ropes in order to continue.
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 ...
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.
SR 89 is eligible for the State Scenic Highway System; [12] however, it is only a scenic highway as designated by Caltrans from the El Dorado-Placer county line to a point 3.2 miles west of the US 395 junction, [13] meaning that it is a substantial section of highway passing through a "memorable landscape" with no "visual intrusions", where the ...
The mountain was also called "Donner Peak" during 1865 construction of the route for the Central Pacific Railroad. [7] 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 route east of State Route 136 near Keeler is on the California Freeway and Expressway System, [6] but is a two-lane road; [5] but except for a small portion in Porterville is not part of the National Highway System, [7] a network of highways that are considered essential to the country's economy, defense, and mobility by the Federal Highway ...
Due to the state's weak fiscal condition and corrupt politics, little progress was made until 1907, when the legislature replaced the Department of Highways with the Department of Engineering, within which there was a Division of Highways. [7] California voters approved an $18 million bond issue for the construction of a state highway system in ...