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The Downtown Seattle Transit Tunnel (DSTT), also referred to as the Metro Bus Tunnel, is a 1.3-mile-long (2.1 km) pair of public transit tunnels in Seattle, Washington, United States. The double-track tunnel and its four stations serve Link light rail trains on the 1 Line as it travels through Downtown Seattle.
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.
The E Line debuted in 2014, replacing Route 358—itself the successor to Route 359, which was retired in 1999 after a Metro bus was involved in a shooting and crashed off the Aurora Bridge. [ 242 ] [ 243 ] [ 244 ] The E Line terminates in Downtown Seattle and near the county line at the Aurora Village Transit Center, where Community Transit 's ...
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 ...
This is a route-map template for the Downtown Seattle Transit Tunnel, a Seattle rail tunnel.. For a key to symbols, see {{railway line legend}}.; For information on using this template, see Template:Routemap.
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 new Metro Regional Connector creates L.A. County's first uninterrupted north-south and east-west train lines. Three new stations downtown are now open.
Metro Transit began planning a bus-based transit system through downtown Seattle in the 1970s, including a transit mall, tunnel, or bus terminal in the Westlake area. [19] [20] Metro approved construction of a downtown bus tunnel in 1983, [21] selecting Pine Street and 4th Avenue as the site of one of the stations. [22]