Skip Top Navigation

I-90 - Two-Way Transit & HOV Operations - Detour Map

Eastbound I-90 detour to express lanes

View larger detour map (PDF 728 KB)

Eastbound I-90 will be down to one lane and detoured to the express lanes from 11 p.m., Friday, May 5 to 5 a.m. Monday, May 8.

Rainier Avenue Traffic

  • The off-ramp from eastbound I-90 to Rainier Avenue South will be open.
  • The on-ramps from Rainier Avenue South to eastbound I-90 will be closed. Drivers should follow the signed detour via Dearborn Street and Fourth Avenue South to reach I-90 during the closure.

Mercer Island Traffic

  • If you are traveling to Mercer Island from Seattle you can exit the express lanes at Island Crest Way or 77th Avenue Southeast.
  • Drivers heading to the Eastside from Mercer Island can get on eastbound I-90 at Island Crest Way or East Mercer Way.

I-90 Trail
There are no impacts to cyclists and pedestrians using the I-90 trail during the weekend closure.