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, September 9 to 5 a.m. Monday, September 12.
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.
There are no impacts to cyclists and pedestrians using the I-90 trail during the weekend closure.