PDF of detour map (163 kb)
Westbound I-90 will be detoured to the express lanes from 11 p.m., Friday, March 24 to 5 a.m. Monday, March 27.
Mercer Island Traffic
- During westbound work drivers heading to Mercer Island must exit at East Mercer Way. There are no westbound exits from the express lanes.
- If you are traveling from Mercer Island to Seattle you can enter the express lanes at Island Crest Way or 77th Avenue Southeast.
Rainier Avenue Traffic
The exit from westbound I-90 to Rainier Avenue South will be closed. Drivers should follow the signed detour to reach Rainier Avenue South during the closure.
There are no impacts to cyclists and pedestrians using the I-90 Trail during the weekend closure.