Last update: 7 a.m. Monday, Feb. 27
SR 99 SEATTLE: All lanes in both directions of SR 99 between South Spokane Street and Valley Street will be closed from 6 a.m. to 6 p.m. daily, March 4-5.
For closures on major highways, please see the specialized routes listed below:
Looking for downtown Seattle/SODO construction closures? This page lists closures on state highways and city streets in downtown Seattle, near the stadiums, international district and ferry terminals.
I-5: Federal Way to Blaine
Looking for construction closures on I-5? This page lists closures from Federal Way to Blaine.
I-405: Renton to Lynnwood
Looking for construction closures on I-405? This page lists closures from Renton to Lynnwood.
I-90 & SR 520
Looking for construction closures on the eastside? This page lists closures on SR 520 from Seattle to Redmond and on I-90 from Seattle to North Bend.
SR 167: Auburn to Renton
Looking for construction closures on SR 167? This page lists closures from Auburn to Renton.
Other regional highways by county:
| King County | Snohomish County | Skagit County | Island County | Whatcom County |
**If a highway is not listed, there are no scheduled lane closures at this time. However, emergency lane closures may still occur.**
- Curious about a special event and how your commute may be affected? Visit our special events website for more information.
- Sign up for email updates to get the latest news on highway projects that affect you.
- Is this webpage helpful to you? Let us know.