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King County Road Alert is an email and text alert service for travelers on roads in unincorporated King County.

Subscribers get emails and text messages about unincorporated King County road construction projects, significant weather-related road closures and natural disasters. You can receive all alerts or just messages for roads in specific zones.

Please note that short-term road closures related to traffic collisions or downed powerlines are not reported on Road Alert or the My Commute Map as those closures are managed by outside agencies. During normal working hours, King County will attempt to tweet or retweet closure information of this type on our Twitter account at

Road Alerts mapped

>> Detailed list of closed roads

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Frequently-asked questions

  • What is King County Road Alert?
    King County Road Alert is a web-based email and text message subscription service designed to notify residents about upcoming unincorporated King County road construction projects and road closures or hazardous travel conditions in the unincorporated areas of the county.

    The travel advisories provided by Road Alert are incorporated into the county's My Commute Map.

  • How do I update my subscription or unsubscribe?
    Visit GovDelivery, the county's email alert service provider, to create an account and update your subscription. If you're having trouble, please contact and be sure to include the name and e-mail address or phone number used with the subscription.

  • Who should I contact about incorrect information in messages?
    Call the 24/7 King County Road Helpline at 206-477-8100 or e-mail

  • Does this service include information about traffic crashes, congestion or other short-term incidents?
    No. These messages are about planned closures and restrictions, and unplanned closures and restrictions due to weather, natural disasters and emergency repairs.

  • Is there an RSS feed available for Road Alert?
    Yes, here's a link to the Road Alert RSS feed.


King County Road Services Division provides Road Alerts as a service to the public. While we try to provide accurate and timely information, estimates of the nature and duration of closures are subject to variables such as weather and traffic conditions that are beyond the control of King County and, therefore, difficult to predict. People relying on this information should do so at their own risk. Neither King County nor its employees or agents shall be liable for the accuracy of this information or any actions taken as a result.

Contact us

24/7 Road Helpline: 206-477-8100 or 1-800-527-6237

TTY Relay: 711

Twitter: @KCRoads