 Beacon Hill Tunnel & StationThe Beacon Hill tunnel's west portal, or opening, is located under I-5, east of Airport Way. The underground Beacon Hill Station is located at the southeast corner of Beacon Avenue South and South Lander Street.
The east portal is located to the east of 25th Avenue South and south of South McClellan Street, where the light rail line emerges to an elevated trackway as it approaches the Mount Baker Station near the intersection of Rainier Avenue South and South Stevens Street.
Obayashi Corporation was the Beacon Hill construction contractor. The contract included construction of one mile tunnel under Beacon Hill, the west and east portals, a half mile of elevated trackway, and the Beacon Hill and Mount Baker stations.
The main shaft of the tunnel station holds the station’s four high-speed elevators, and the secondary shaft which provides ventilation and emergency staircases) were excavated to 165 feet deep. Obayashi conducted mining activities including digging the northbound and southbound running tunnels (by use of the tunnel boring machine), all of the station’s cross-passages and ventilation attits, and the underground station concourse, using the sequential excavation technique.
Beacon Hill Station Highlights
Anticipated Travel Times
To Westlake Station - 12 minutes
To Columbia City Station - six minutes
To Tukwila International Blvd. Station - 21 minutes
Projected Ridership
3,000 daily boardings in 2020
Project Photos
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