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A King County Metro bus and Sound Transit Link light rail train at Symphony station, during joint bus–rail operations at tunnel stations. The Downtown Seattle Transit Tunnel is part of the "Third Avenue Transit Spine", the busiest transit corridor in Seattle, serving a combined average of 54,000 weekday riders with bus stops on the surface. [32]
The State Route 99 tunnel, also known as the Alaskan Way Viaduct replacement tunnel, is a bored highway tunnel in the city of Seattle, Washington, United States.The 2-mile (3.2 km), double-decker tunnel carries a section of State Route 99 (SR 99) under Downtown Seattle from SoDo in the south to South Lake Union in the north.
First use of Earth Pressure Balance Machine in Seattle [1] 1987–1988 Downtown Seattle Transit Tunnel: Twin 21.25 ft (6.48 m) 13,624 ft (4,153 m) Tunnelling shield First use of waterproofing PVC membrane in USA [1] 1990 Fort Lawton Tunnel/West Point Sewer 15.5 ft (4.7 m) O.D. 8,400 feet (2,600 m) Partial Earth Pressure Balance Machine [1] [5] 1993
The tunnel portal includes ramps to and from nearby streets, including Dearborn Street, Alaskan Way, and a frontage road along the east side of the highway. [14] The tunnel travels 1.8 miles (2.9 km) under Downtown Seattle and carries SR 99 along the central waterfront, running roughly parallel to the former Alaskan Way Viaduct.
A toll tunnel is a road tunnel where a monetary charge (or toll) is required to pass through. ... Downtown Seattle: 9,270.0 2,825.5 $1–2.25 Good to Go or pay-by-plate
Metro Transit began planning a bus tunnel through downtown Seattle in the 1970s, to be eventually converted to use by light rail trains. Metro approved the construction of a bus tunnel under 3rd Avenue in 1983, [20] and chose the intersection of 3rd Avenue and University Street as the site of one of the tunnel's five stations. [21]
That’s on top of tolls drivers pay for crossing various bridges and tunnels to get to the city in the first place, although there will be a credit of up to $3 for those who have already paid to ...
The SR 99 Tunnel is a 2-mile (3.2 km) bored double-decker highway tunnel carrying a section of State Route 99 (SR 99) under Downtown Seattle from SoDo in the south to South Lake Union in the north. Since the 2001 Nisqually earthquake , the replacement of the Alaskan Way Viaduct has been the source of much political controversy demonstrating the ...