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Angle Lake Light Rail Station and Parking Garage Grand Opening

The 1,050-stall parking garage connects to the train platform via a pedestrian walkway.

On 24 September 2016, the region's newest link light rail station opened in SeaTac, Washington, as part of the South 200th Link Extension project for Sound Transit. Angle Lake Station is located at the intersection of South 200th Street and 28th Avenue South. The 1.6-mile-long elevated guideway travels north providing congestion-free rides to Seattle–Tacoma International Airport, the Rainier Valley, downtown Seattle, and the University of Washington. The prominent features of the project include the 1,050-stall parking garage and the approximately half-acre public plaza that links the elevated guideway and station with the parking facility, transit stops, and retail space. The community was invited to celebrate the opening in SeaTac and had a chance to be one of the riders on the first departing trip from the station.

The parking facility is a seven-story, cast-in-place and post-tensioned concrete structure with a striking exterior façade that uses custom blue aluminum profile. Five levels of the garage are constructed above ground and two levels are partially below ground, taking advantage of the sloping site topography. The parking structure is accessible from three different street locations at the three lower levels. It has 2,500 square feet of retail space at ground level and a 35,000-square-foot site to the west to support future transit-oriented development. The station also has secure storage for bicycles in lockers and racks and charging stations for electric vehicles.

The public plaza, on the third level, includes a passenger drop-off area, paratransit loading areas, and a covered walkway from the garage to the station. The plaza uniquely forms a physical and visual connection between the project elements and includes several displays of Northwest-inspired artwork. Ornately designed seat walls, pathways, paving, planting beds, and stormwater features help to engage transit users as they move through the space, creating quiet places for social interaction while waiting for a transit connection. The layout and design of the plaza is even large enough to accommodate community events, such as festivals, farmers’ markets, art exhibits, and other outdoor public gatherings. The design and location of major project elements maximize function, sustainability, and aesthetics while providing an efficient use of space.

Harbor Pacific-Graham joint venture team was responsible for the construction of the design-build parking garage and plaza. BergerABAM was the lead designer for the project and supported the design team with architecture, civil engineering, structural engineering, and landscape architecture services, as well as sustainability consulting and construction support.

Travelling by light rail offers a cost-effective and efficient way to move around the Puget Sound area. Sound Transit projects that the Angle Lake Station will connect approximately 5,400 weekday riders by 2018. The new station and parking structure will enable people who live, work, and visit areas south of the airport to have an easier means of travel. The next anticipated stretch of the transit system will add service to the cities of Kent and Des Moines, beginning in 2023.