I-5
Route ID
005
Spring project will improve safety of guardrails and barriers in King, Snohomish and Whatcom counties
Evening work planned at different sites from March through June
SHORELINE – A project to update and improve the safety of 24 guardrails and barriers across King, Snohomish and Whatcom counties begins mid-March, adding energy-absorbing features to reduce the impacts of crashes.
Plan ahead: I-5 roadwork near US 101 expected to create congestion in Olympia/Tumwater
UPDATE 11:15 a.m. January 29, 2024
Center barrier work on Interstate 5 in Olympia and Tumwater is ahead of schedule and is no longer required on Sunday, Feb. 4. The change is reflected in the release below.
As crews make repairs, travelers are encouraged to go early, late
OLYMPIA – Interstate 5 travelers in Olympia and Tumwater are encouraged to plan for two weekends of daytime roadwork approaching US 101.
To the left: traffic shift ahead on I-5 in Fife
Update: The northbound I-5 lane striping and traffic shift is scheduled to occur the evening of Friday, Feb. 2. The news release below has been updated to reflect the northbound schedule. Please note the southbound restripe and traffic shift was completed in January.
Orange contrast lane striping will be removed amid new bridge construction milestone
FIFE – To the left, to the left, lanes are shifting to the left as a construction work zone on Interstate 5 at the Fife curve undergoes a transformation soon.
South 216th Street bridge demolition in SeaTac begins Dec. 8; requires overnight I-5 closures
Eastbound South 216th Street travelers will use six-month detour following demolition
SEATAC – Tons of concrete and rebar will drop to the ground piece by piece when the demolition of the South 216th Street bridge over Interstate 5 in SeaTac begins Friday, Dec. 8. Crews are already building a wider and longer bridge next to the existing structure as part of the Washington State Department of Transportation’s State Route 509 Completion Project.
Online open house gives overview of changes coming to I-5 at Steilacoom-DuPont Road
Learn about I-5 HOV lane expansion, safety improvements between DuPont and JBLM
DUPONT – Travelers who use Interstate 5 near DuPont and Joint Base Lewis-McChord will want to plan ahead and stay engaged.
A three-year project is now underway on I-5 at Steilacoom-DuPont Road that will bring upgrades to a section of the interstate that sees on average over 140,000 vehicles a day.
Slow down – lives are on the line.
In 2023, speeding continued to be a top reason for work zone crashes.
Even one life lost is too many.
Fatal work zone crashes doubled in 2023 - Washington had 10 fatal work zone crashes on state roads.
It's in EVERYONE’S best interest.
95% of people hurt in work zones are drivers, their passengers or passing pedestrians, not just our road crews.