Saturday, July 25
Crews will close all lanes of southbound I-5 in the vicinity of the Washington State Convention and Trade Center from 12:30 a.m. to 5 a.m. Saturday.
- The on-ramp from Mercer Street to southbound I-5 will be closed during this time.
- The on-ramp from Yale Avenue and Howell Street to southbound I-5 will also be closed during this time.
- The Seafair Pirate Run will close portions of northbound SR 99 between South Royal Brougham Way and the south end of the Battery Street Tunnel between 6:30 p.m. to 9 p.m.
Saturday, July 25 until Sunday, July 26
- Crews will close the I-5 express lanes between downtown Seattle and Northgate from 8 a.m. to 11 a.m. Express lanes will reopen southbound at 11:30 a.m. each day.