The Seattle Department of Transportation's weekly transportation construction update highlights the projects and events that may impact travel through the Seattle area. View this week's update.

King County currently remains in Phase 2 of Governor Jay Inslee's 'Safe Start' reopening plan.  Accordingly, all special events, sporting events, and concerts have been canceled, postponed, or rescheduled until further notice, unless noted below.

  • Aug. 9 - 13: 1st Ave S / Duwamish River Bridge closed northbound for grid deck repairs.  Nightly 10 p.m. - 5 a.m.
  • Aug. 13: Full southbound closure of the SR99 Tunnel for monthly maintenance.  Thur 10:30 p.m. - Fri 4 a.m.
  • Aug. 14 - 15: Lane reductions on SB I-5 over the Ship Canal Bridge for grid deck repairs.  Nightly 9 p.m. - 9 a.m.
  • Aug. 16 - 18: 1st Ave S / Duwamish River Bridge closed northbound for grid deck repairs.  Nightly 10 p.m. - 5 p.m.
  • Aug. 19 - 20: Lane reductions on the NB 1st Ave S / Duwamish River Bridge for grid deck repairs.  Nightly 10 p.m. - 5 a.m.
  • Aug. 21 - 24: Full closure of SR520 across Lake Washington between Montlake Blvd E and 92nd Ave NE for realignment.  Fri 11 p.m. - Mon 5 a.m.
  • Aug. 22 - 24: Full directional closures of 7th Ave N between Denny Way and Harrison St. for striping.
  • Aug. 23 - 27: 1st Ave S / Duwamish River Bridge closed northbound for grid deck repairs.  Nightly 10 p.m. - 5 a.m.
  • Aug. 28 - 29: Lane reductions on NB I-5 over the Ship Canal Bridge for grid deck repairs.  Nightly 9 p.m. - 9 a.m.
  • Sept. 11:  Full closure of the SR99 Tunnel for monthly maintenance.  Fri 10 p.m. - Sat 8 a.m.

Please note: The information is subject to change and additional construction or events may be planned in the Seattle area.

If you have questions, contact [email protected] or call 206-684-ROAD.