Sound Transit Federal Way Link Extension
Project overview:
The Federal Way Link Extension will travel 7.8 miles south from Sea-Tac Airport to Federal Way, along the west side of Interstate 5. The project began construction in 2020 and is expected to open in 2026.
South Annex Bus Base Expansion
Project Overview:
King County Metro is designing and constructing a modern best practices base for an all-battery fully electric bus fleet. South Annex Base will house and maintain up to 250 battery electric, zero-emission buses and operation facilities that are third-party certified green buildings.
STRIDE Bus Rapid Transit Program
Project Overview:
Fast battery electric bus service connecting to light rail and to communities north, east and south of Lake Washington.
West Seattle and Ballard Link Extensions Project Management Service Support (PMSS)
Project Overview:
Program Management Support Services for the West Seattle and Ballard Link Extensions.
WSP A&E On Call Vertical Conveyance International District Station Link Light Rail Station Project
Project Overview:
Restoring elevators and escalators within the Sound Transit system.
Alaskan Way Viaduct And Seawall Replacement Project
Project Overview:
In 2009, government officials agreed to a deep-bore tunnel to replace the Alaskan Way Viaduct. In its place, a bored highway tunnel was designed to run under Downtown Seattle from SoDo in the south to South Lake Union in the north. The 2-mile (3.2 km) long double-decker tunnel carries a section of State Route 99 (SR 99).
WSDOT General Tolling Consultant (GTC) Program
Project Overview:
WSDOT established a tolling system to generate revenue for future improvements and implemented tolling on the SR 520 Bridge, Tacoma Narrow Bridge, SR 167 HOT Lanes, I-405 Express Toll Lanes and the SR 99 Tunnel.
East Link I-90 Seattle to Bellevue
Project Overview:
The Sound Transit East Link I-90 Seattle to Bellevue project is the first-ever light rail project in the world to operate rail on a floating bridge. The engineering challenge was to create a steadfast track design that would withstand the dynamic and multidimensional movement of the bridge.
West Seattle And Ballard Link Extensions
Project Overview:
This Sound Transit 3 (ST3) Representative Project builds nearly 12 miles of new light rail connecting West Seattle to Downtown Seattle and north to the Ballard neighborhood.
Clients
