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The Robertson Tunnel is a twin-bore light rail tunnel through the Tualatin Mountains west of Portland, Oregon, United States, used by the MAX Blue and Red Lines.The tunnel is 2.9 miles (4.7 kilometers) long [1] and consists of twin 21-foot-diameter (6.4 m) tunnels.
Robertson Tunnel: Portland: light commuter rail twin tunnels: 16,368: 1998: MAX Light Rail: Rocky Butte Tunnel: NE Rocky Butte Rd. Portland: automobile: 370.0? 1939: through Rocky Butte; refs disagree over length: Salt Creek Tunnel: Lane County on OR 58: automobile: 904.9: 1939: Tooth Rock Tunnel: I-84 near Cascade Locks State Park: automobile ...
Washington Park is a light rail station in Portland, Oregon, United States, served by TriMet as part of the MAX Light Rail system. Situated between Sunset Transit Center and Goose Hollow/Southwest Jefferson Street station, it is the 17th and 3rd station eastbound on the Blue Line and the Red Line, respectively.
The eastbound tunnel is 1001 feet (305 m) in length; the westbound tunnel is 949 feet (289 m). Both have 41 ft (12.5 m) of horizontal and 15.58 ft (4.75 m) of vertical clearance. The eastbound tunnel was completed in 1969, the westbound a year later. [2] [3] There is a six-percent grade through the tunnels. Most of the tunnels' lengths are ...
The Robertson Tunnel is a tunnel through the west hills of Portland, Oregon, U.S. for the TriMet public transit MAX Light Rail system. The tunnel is 3.1 miles (5.0 km) long and consists of twin 21 foot (6.4 m) diameter tunnels. There is one station within the tunnel at Washington Park, the third deepest such
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Construction of the Westside MAX began in August 1993 with the excavation of the 21-foot-diameter (6.4 m) Robertson Tunnel. [ 2 ] [ 111 ] Several alternative alignments through the West Hills were studied, including an all-surface option along the Sunset Highway, an option with a half-mile-long (0.8 km) "short tunnel", and an option with a 3 ...