Express lanes schedule

I-5 Express Lanes in SeattleWSDOT uses the I-5 express lanes to assist the flow of traffic during busy travel times. These lanes are scheduled to move in the direction that will relieve the most congestion from the transportation system. We operate the lanes on a typical daily schedule that changes on the weekends and occasionally for major events.

View the map of I-5 express lanes and ramps

I-5 Express Lanes Schedule


  • Southbound - 5 a.m. to 11 a.m.
  • Northbound - 11:15 a.m. to 11 p.m.
  • Closed: 11 p.m. - 5 a.m.

Saturday & Sunday

  • Southbound - 8 a.m. to 1:30 p.m.
  • Northbound - 1:45 p.m. to 11 p.m.
  • Closed: 11 p.m. - 8 a.m.

I-5 Express Lanes - Special events schedule

Wednesday October 20, Thursday October 21, Tuesday October 26 - Thursday October 28, Tuesday November 2 - Thursday November 4, Monday November 8 and Tuesday November 9 nightly

To facilitate roadwork for the I-5 Seneca project, northbound I-5 traffic will be diverted into the collector distributor lanes starting at 9pm nightly. This will remove the ability for drivers to access the express lanes from mainline northbound I-5. The express lane ramps from Seattle will remain open until the normally scheduled closure time of 11pm.

Thursday November 11

The express lanes will be operating on our weekend schedule for the Veterans Day holiday.