FYI for riders (and volunteers) driving to the 600K start from the Seattle area -- all southbound lanes of I-405 will be closed this weekend. Allow extra time for your drive.
Text from WSDOT:
🚧 WSDOT has announced TWO closures affecting southbound I-405 traffic this weekend, from late Friday (August 22) through early Monday (August 25).
⛔ Southbound I-405 will be closed from the Sunset Boulevard Northeast/Southport Drive (Exit 5) to SR 169/Maple Valley Highway (Exit 4)
⏰ 11:59 p.m. Friday to 4 a.m. Monday.
🔀 Detour routes: Sunset Boulevard Northeast or Logan Avenue North to North Third Street
⛔Southbound I-405 on- and off-ramps will be CLOSED at Northeast 30th Street (Exit 6)
⏰9 p.m. Friday to 5 a.m. Monday.
🔀 Detour routes: south on Lake Washington Blvd or Edmonds Avenue Northeast. NE 30th Street will remain open
Crews with WSDOT will be installing drainage crossings, paving, and implementing a traffic switch.