Sound Transit Link Light Rail, Seattle – SeaTac, WA
CTS was involved in this project from 2002 through 2009. The firm’s role was to provide the civil and structural design interface for an elevated, 7-mile-long segment of Sound Transit’s Link Light Rail Project from Seattle to Sea-Tac International Airport.
The work included:
Design of a new Park & Ride Lot at the S. 154th St. Station, including extensive retaining walls around the perimeter of the site
Civil & structural design for the ground-plane area of Airport Station at STIA
Civil design for a new Plaza on International Boulevard
Realignment of MLK Jr. Way (SR 900)
Widening & frontage improvements along East Marginal Way
Widening & realignment of 52nd Ave. South
Ramp realignments on SR 599
Widening & reconstruction of segments of Southcenter Blvd.
Reconstruction of the S. 154th St./SR 99 signalized intersection, and MLK Jr. Way / Boeing Access Road intersection
SR 599 Metro On-Ramp Reconstruction
SR 99 / South 154th Street signalized intersection.
Civil & structural design for three substations along the route that power the overhead electrical system.
In addition to the above civil and structural design, CTS’s responsibilities included traffic signal and illumination design, traffic control during construction, and wetland mitigation reviews. The 100% PS&E submittal for this project was completed in several phases. CTS also provided on-call services during construction.