(Editor’s note: Construction open house June 23.)

What’s happening now
Community Event: Taste of White Center
King County Metro is proud to sponsor the ‘Taste of White Center’, which will be held on Saturday, June 25, 2022, on 16th Ave SW in White Center. This family-friendly event will celebrate the neighborhood’s wide variety of restaurants and raise funds for the White Center Food Bank. More event details can be found here.
What to expect during construction
Construction on the RapidRide H Line project began in June 2021 and is expected to last through March 2023. Typical work hours are Monday through Friday, 7 a.m. to 3:30 p.m., with some nighttime and weekend work.
During construction, you can expect:
- Noise, vibrations, and dust in the project area
- Temporary parking restrictions
- Periodic lane and driveway closures
- Large machinery and truck activity
- Construction staging and parking impacts near the construction site
- Some sidewalk, intersection, and lane closures
- Detours for people walking, biking, and rolling
- Temporary bus detours and bus stop relocations for Route 120 and other area transit and bus routes.
- Flaggers to direct traffic around work areas

Crews are installing safety improvements and bus station upgrades along the route. Work has already started or will begin in the coming weeks at the following locations in Seattle, White Center, and Burien.
Seattle

26th Avenue SW and SW Cambridge Street
- Demolishing, excavating, and grading roadway
- Installing curb and gutter, sidewalk, and ADA-compliant ramps
20th Avenue SW and SW Roxbury Street
- Demolishing, excavating, and grading roadway
- Utility work
White Center

15th Avenue SW and SW Roxbury Street
- Electrical and utility work
- Forming and pouring bus station foundation
15th Avenue SW and SW 107th Street
- Installing curb and gutter, sidewalk, and ADA-compliant ramps
- Forming and pouring median island
Ambaum Boulevard SW and SW 112th Street
- Grading, forming, and pouring sidewalk
- Installing curb and gutter and ADA-compliant ramps
- Forming and pouring bus zone foundation
Burien

16th Avenue SW and SW 116th Street
- Forming and pouring bus zone foundation
- Electrical and utility work
- Grading, forming, and pouring sidewalk
Ambaum Boulevard SW from SW 116th Street to SW 122nd Street
- Grading, forming, and pouring sidewalk
- Electrical and utility work
Ambaum Boulevard SW and SW 128th Street
- Electrical and utility work
- Demolishing, excavating, and grading roadway
- Installing curb and gutter, sidewalk, and ADA-compliant ramps
- Build retaining wall
Ambaum Boulevard SW and SW 132nd Street
- Forming and pouring median island
Ambaum Boulevard SW and SW 136th Street
- Forming and pouring curb and gutter
- Preparing to install handrails
Ambaum Boulevard SW and SW 142nd Street
- Forming and pouring bus zone foundation
- Electrical and utility work
Ambaum Boulevard SW and SW 148th Street
- Electrical and utility work
Ambaum Boulevard SW and SW 150th Street
- Demolishing, excavating, and grading roadway
- Electrical and utility work
Virtual construction office hours
Join us for our virtual construction office hours on June 23, 2022, from 5 p.m. to 6 p.m. on Zoom
We hope you’ll join us on Zoom to learn more about the project and ask questions! These are informal events; we welcome you to come and go as you please.
How to join the meeting:
- To join online: Launch Zoom meeting (Meeting ID: 867 4154 5962)
- To join by phone: 1-253-215-8782 (Find your local number here)
- To request interpretation services for these virtual events, please contact us before the meeting via phone, at 206-257-3079, or email us at rapidride@kingcounty.gov
RapidRide H Line to launch in March 2023
The original timeline of the RapidRide H Line project has been extended by several months due to unforeseen construction and materials delays. RapidRide H Line will now launch in March 2023 rather than fall 2022. Read more about the updated project timeline and construction progress on our blog.
Do you have questions about construction? Contact us!
Thank you for your patience as we improve transit in your area. Keeping you informed and minimizing impacts are our top priorities. Throughout construction we will:
- Be available for questions
- Provide advance notice about construction through email updates, flyers, and other promotions
- Maintain access to businesses and residences
RapidRide H Line Outreach Team
- Construction hotline: 206-257-3079
- Email: rapidride@kingcounty.gov
- Webpage: kingcounty.gov/metro/hlineinfo
Sign up for RapidRide H Line email or text alerts to stay up to date on construction schedule and impacts.