Friday, July 31 through Sunday, Aug. 2
Crews will close the I-90 mainline in both directions between Seattle and Island Crest Way on Mercer Island during the Seafair Airshow from 11:50 a.m. to 2:40 p.m. each day.
- Multiple ramps in this area will also close intermittently as needed.
Crews will also close the I-90 express lanes during these hours.
Monday, Aug. 3 through Wednesday, Aug. 5
- Crews will close a single lane of the I-5 express lanes across the Ship Canal Bridge from 9 a.m. to 3 p.m. daily.