Weekly travel planner

What you need to know for the week of Aug. 12-19

I-5 Lynnwood

  • Contractor crews working for Sound Transit will reduce southbound I-5 to two lanes between 44th Avenue West and 220th Street Southwest beginning at 9 p.m. Friday, Aug. 16. All lanes will reopen by 9 a.m. Saturday, Aug. 17
    • 44th Avenue West on-ramp to southbound I-5 will close from 10 p.m. to 7 a.m. 
    • 220th Avenue Southwest on-ramp to southbound I-5 will close from 9 p.m. to 7 a.m. 

I-5 Ship Canal Bridge

  • Maintenance crews will reduce southbound I-5 on the Ship Canal Bridge to two lanes from 10 p.m. to 9 a.m. nightly on Friday, Aug. 16, and Saturday, Aug. 17.
    • The Northeast 45th Street on-ramp to southbound I-5 will be closed with a signed detour. 

I-405 Downtown Bellevue

  • Sound Transit contractor crews will close the following from 10 p.m. Friday, Aug. 16, to 11:59 p.m. Saturday, Aug. 17:
    • The northbound I-405 off-ramp to Northeast 4th Street
    • The Northeast 4th Street on-ramp to northbound I-405
  • Sound Transit contractor crews will close the following from 11:59 p.m. Saturday, Aug. 17, to 5 a.m. Monday, Aug. 19:
    • Northbound I-405 between Main Street and Northeast 10th Street
    • The northbound I-405 HOV off-ramp and the southbound HOV on-ramp to and from Northeast 6th Street
    • The Northeast 4th Street on-ramp to northbound I-405

SR 99 Aurora Bridge Seattle

  • Lane reductions on the SR 99 Aurora bridge scheduled from 8 p.m. Friday, Aug. 16, to 5 a.m. Monday, Aug. 19. This work is weather-dependent. 

SR 99 Tunnel Seattle

  • All lanes of the southbound SR 99 tunnel will close from 10 p.m. Friday, Aug. 16, to 8 a.m. Saturday, Aug. 17, for maintenance. 

I-90 Floating Bridge

  • All lanes of eastbound I-90 will close between I-5 in Seattle and Island Crest Way on Mercer Island from 10 p.m. Saturday, Aug. 17, to 5 a.m. Sunday, Aug. 18, for maintenance.

I-90 Snoqualmie Pass

  • Construction and maintenance work is taking place on I-90 this summer between North Bend and Vantage, which could add extra time to your travels. Know before you go by planning your trip in advance.

Construction closure information

Busy Traffic Weekend, Aug. 16-19

Busy Traffic Weekend Aug 16-19

  • SR 99 Aurora Bridge: One lane in each direction; weather-dependent work from 7 p.m. Friday, Aug. 16, to 5 a.m. Monday, Aug. 19.
  • Seattle Hempfest: Friday, Aug. 16, to Sunday, Aug. 18, at Myrtle Edwards Park
  • Southbound SR 99 tunnel maintenance closure: From 10 p.m. Friday, Aug. 16, to 8 a.m. Saturday, Aug. 17
  • Tour de Whidbey Bike Ride: Starts at 6 a.m. Saturday, Aug. 17, in Coupeville
  • Northwest Washington Fair: Friday, Aug. 16, to Saturday, Aug. 17, in Lynden
  • Southbound I-5 Ship Canal Bridge maintenance: Lane reductions at the Ship Canal Bridge from 10 p.m. to 9 a.m. nightly from Friday, Aug. 16, to Sunday, Aug. 18
  • Northbound I-405 Sound Transit closures: At Northeast 6th Street in Bellevue from 10 p.m. Friday, Aug. 16, to 5 a.m. Monday, Aug. 19
  • Eastbound I-90 maint. closure: Between I-5 and Island Crest Way from 10 p.m. Saturday, Aug. 17, and 5 a.m. Sunday, Aug. 18
  • Southbound I-5 traffic switch: To new alignment at SR 16 in Tacoma; weather-dependent work from 10 p.m. Saturday, Aug. 17, to 10 a.m. Sunday, Aug. 18
  • Final Move-in Weekend at WSU: Prepare for increased traffic heading to Pullman