Express lanes

Find schedule information and view a map of the I-5 Express Lanes.

The I-5 Express Lanes help traffic flow during busy travel times. These lanes move in the direction that will relieve the most congestion and are on a typical daily schedule that changes on weekends and occasionally for major events.

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.

Special events schedule

Express lanes open overnight

The I-5 Express Lanes will remain open southbound overnight to facilitate work within the lanes. 

July 19-20

The I-5 Express Lanes will remain open northbound overnight to facilitate work within the lanes. They will return to their normal weekday schedule at 5 a.m. the following morning.

July 25-26

Express Lanes close early

The Express Lanes will close early at 9 p.m. to facilitate roadwork within the lanes. They will resume normal operation the following morning.

July 15 and 16

July 19

July 24

I-5 Express Lanes map

Map showing location of I-5 express lanes through Seattle

166,800 electric vehicle

registrations in Washington in 2023, up from 114,600 in 2022.

87 wetland compensation sites

actively monitored on 918 acres in 2023.

25,000 safe animal crossings

in the Snoqualmie Pass East Project area since 2014.