Highway 99 closure between S 204th and S 208th to complete and open new bypass/detour

Publish Date


  • Weekend and night closures of Highway 99 January 15th at 8pm through January 17th at 8pm to complete work on the SR 99 bypass/detour and open for traffic on Monday, January 18.
  • For the temporary detour, drivers will be directed to 24th Ave S/26th Ave S between S 200th and S 208th.


  • Road Closure: January 15th – 8pm through January 17th – 8pm
  • Bypass/detour: Opens January 18


  • Between S 204 and S 208th St


  • Work will occur over the weekend and at night
  • Roadway closure with detours indicated with signage 
  • Heavy equipment will be used
  • A safe and secure work site
  • All project construction work is done under stringent COVID-19 health and safety guidelines 
Construction map for SR99 closure, Federal Way Link Extension
Construction map for SR99 Bypass, Federal Way Link Extension