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Road Construction

​The news you need to navigate during road construction projects to improve traffic flow in and out of Sea-Tac Airport.

#ReviveI5 Update - Overnight work Dec. 8 - 9

  • ​Friday night, Dec. 8 to Saturday morning, Dec. 9: Left lane closures on Northbound I-5 will start at 8 p.m. By 10 p.m., three left lanes will be closed. At midnight, a fourth lane will close. All lanes will reopen by 5 a.m.
  • Saturday night, Dec. 9 to Sunday morning, Dec. 10: Three right lanes of northbound I-5 will begin closing at 8 p.m., along with the following on-ramps to Northbound I-5:
    • Southbound Interstate 405 HOV only
    • Southcenter Boulevard
    • Interurban Avenue

All lanes and ramps will reopen by 5 a.m. Sunday, Dec. 10. For more information please refer to WSDOT's projects. ​​