Federal Way Link Extension
Building light rail further into south King County

News and updates

24 hour closure of South 259th Street for bridge girder installation

Sound Transit crews will close part of South 259th Street for 24 hours to install bridge girders over the roadway. Detours will be in place and marked. Drivers…

Overnight closures of SR 99 postponed to December 10 and 11

This alert was previously issued with the dates of December 3 and December 4. Dates have changed due to unfavorable weather conditions. 

Full overnight closures of SR 99 from SR 516 to S 240th Street

Sound Transit’s contractors will conduct two overnight full closures of SR 99 between SR 516 and S 240th St for ongoing roadway restoration, repaving,…

Overnight closure of 23rd Avenue South in Federal Way

Sound Transit crews will close part of 23rd Avenue South in Federal Way one night to restore southbound travel. This will occur between South 320th Street and South 317th Street and 23rd Avenue South…

Construction postponed: Overnight full closures of SR 99 in Kent, from SR 516 to S 240th Street

The planned closure of SR 99 in Kent has been postponed. We will provide updates at a later time.

Overnight full closure of South 320th Street between 21st and 23rd Avenues

Sound Transit crews will close South 320th Street in Federal Way, between 21st Avenue South and 23rd Avenue South, for one night. This closure is for traffic signal installation and roadway…

Federal Way Downtown Traffic Control updates for S 320th St., S 317th St. and 21st Avenue

* The previous iteration of this email included an incorrect set of dates for the S 317th weekend full closure. Please refer to this email for the correct dates. Sound Transit crews will conduct a…

Receive free trees during our 2023 tree giveaway!

Sound Transit’s Federal Way Link Extension project team is collaborating with our construction contractor, Kiewit, to give free trees to community members and organizations this fall in SeaTac, Des…

Long-term lane closure on S 320th Street

Sound Transit crews will close the far right lane of westbound S 320th Street, between 21st Avenue S and 23rd Avenue S. This closure will accommodate construction at the future Federal Way Downtown…

Long-term closure of southbound 23rd Avenue South

In preparation for upcoming Link light rail service at the Federal Way Transit Center, Sound Transit crews will be closing southbound 23rd Avenue South for extensive utility work and concrete paving.