I-5 - NB S 260th St to Duwamish River Br - Concrete Pavement Rehab & ADA - September 2019 lane reductions

Northbound I-5 lane reductions

Northbound I-5 near the Duwamish River Bridge in Tukwila will be reduced to lanes the weekends of Sept. 21-22 and 28-29 for emergency expansion joint repairs. The interstate will be reduced to two lanes beginning at 10 p.m. each Friday; all lanes will reopen by 11:59 p.m. each Sunday

Weekend of Sept. 21-22 ramp closures:

  • The Interurban Avenue on-ramp to northbound I-5.
  • The northbound I-5 HOV bypass lane at its entry point, south of I-405.
  • Southcenter Boulevard on-ramp to northbound I-5

A map showing which northbound I-5 lanes and ramps are open the weekend of Sept. 21-22.

Weekend of Sept. 28-29 ramp closures:

  • Southbound 405 HOV to northbound I-5 on-ramp
  • Southcenter Boulevard to northbound I-5 on-ramp
  • Interurban Avenue to northbound I-5 on-ramp
  • One lane of the Northbound I-5 to SR 599 off-ramp (one lane of the ramp will remain open)

A map showing which northbound I-5 lanes and ramps are open the weekend of Sept. 28-29.