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The Marys Rock Tunnel is a vehicular tunnel in the Blue Ridge Mountains. [1] Located at mile marker 32.2 on Skyline Drive , the scenic byway that traverses the length of Shenandoah National Park , it is the only vehicular tunnel in the park.
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Heroes Tunnel (formerly West Rock Tunnel) is a 1,200-foot-long (370 m), [1] twin-tube tunnel carrying Route 15 (Wilbur Cross Parkway) through West Rock Ridge in New Haven, Connecticut, opened in 1949. It is the only highway tunnel to pass beneath a natural land feature in New England, [1] although there are other types of vehicular tunnels in ...
Eugene Tunnel/Rock Island Tunnel # 3, abandoned rail tunnel, in use 1903–1980, Chicago, Rock Island & Pacific Railroad, under State Route 17 just south of Eugene; being developed into a rail trail Vale Tunnel /Rock Island Tunnel # 4, abandoned rail tunnel, in use 1904–1980, Chicago, Rock Island & Pacific Railroad , under Bannister Road ...
The Cave Rock Tunnel is a dual bore highway tunnel on U.S. Route 50 (US 50) along the eastern shore of Lake Tahoe approximately seven miles (11.4 km) north of Stateline, in Douglas County, Nevada, United States. It passes through Cave Rock, a volcanic stone formation.
The tunnel passes through Purchase Ridge, which is made of the Ordovician Chepultepec Limestone and is near the axis of the Purchase Ridge syncline. [3] It lies between the Clinchport Thrust Fault and the Hunter Valley Thrust Fault, on the Hunter Valley Thrust Sheet. [4] The tunnel itself began its formation in the Pleistocene period.
Two railroad tunnels on Rollins Pass are completely caved-in: Tunnel #31 (the tunnel at Ladora) and Tunnel #33 (the Loop Tunnel at Riflesight Notch). [ 396 ] [ 95 ] Closures also include sections leading to Tunnel #32, Needle's Eye Tunnel —a 170-foot-long (52 m) [ 2 ] : 120 high-altitude railroad tunnel constructed in 1903 and used through 1928.
Because the New Haven segment had not yet been completed, motorists were directed to temporarily follow Route 34, US 5, and Route 10A. In November 1949, the New Haven segment, from Exit 57-58 to Exit 61, including the West Rock Tunnel opened. The entire parkway was a toll road when it opened in 1941.