Use the list or specified areas below to help plan your commute around construction and maintenance activities in King County. The information updates frequently, so please check back often.
If a highway is not listed below, there are no scheduled lane closures at this time, although emergency lane closures may still occur.
| SR 99 |SR 200 | SR 522 |SR 599 |SR 900 |
For closures on major highways, please see the specialized routes listed below:
Downtown Seattle/ SODO
Looking for downtown Seattle/SODO construction closures? Our Seattle/SODO page lists closures and construction on state highways and city streets in Seattle, and near the stadiums, international district, and ferry terminals. Get more information .
I-5: Federal Way to Mountlake Terrace
Looking for construction on I-5? This page lists closures on I-5 from Federal Way to Mountlake Terrace. Get more information .
I-405: Renton to Bothell
Looking for I-405 construction closures? This page lists closures on I-405 from Renton to Bothell. Get more information .
I-90 & SR 520
Looking for eastside closures? This page lists closures on SR 520 from Seattle to Redmond and on I-90 from Seattle to North Bend. Get more information .
Special Events
Curious about a special event and how your commute may be affected? Visit our special events website for more information.