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Seattle Area Construction

Last update: 11:01 a.m. Friday, July 29, 2016

High-impact closures:


I-5 Tukwila to Des Moines: Up to four lanes of southbound I-5 from I-405/SR 518 to SR 516/Kent Des Moines Road will be closed from 8 p.m. Friday, July 29, to 5 a.m. Monday, Aug. 1. An additional lane may close overnight. This work is weather dependent. The following ramps will also be closed from 9 p.m. Friday to 5 a.m. Monday with signed detours in place:

  • The southbound I-405 ramp to southbound I-5.
  • The South 188th Street/Orilla Road South on-ramp to southbound I-5.
  • The southbound I-5 off- and on-ramps at South 200th Street/Military Road South.

I-405/I-90 Bellevue: The southbound I-405 ramp to westbound I-90 will be closed from 9 p.m. Friday, July 29, to 9 a.m. Saturday, July 30. A signed detour will be in place. This work is weather dependent.

I-5 Seattle: Southbound I-5 at the Stewart Street/Denny Way off-ramp will be closed from 11:59 p.m. Friday, July 29, to 5 a.m. Saturday, July 30. A signed detour will be in place. The I-5 express lanes will be open southbound from 11:30 p.m. Friday into normal Saturday schedule. Oversized loads should use the express lanes.

I-5 Seattle: Two lanes of northbound I-5 from East Roanoke Street to Northeast 45th Street will be closed from 2 to 10 a.m. on both Saturday, July 30, to Sunday, July 31.

SR 18 Tiger Mountain: Westbound SR 18 from I-90 to Issaquah-Hobart Road Southeast will be closed from 4 to 10 a.m. Saturday, July 30.

I-90 Seattle to Bellevue: Both directions of I-90 between I-5 and Island Crest Way will be closed from 9:45 a.m. to noon Thursday, Aug. 4, and from 1:15 to 2:40 p.m. daily from Thursday, Aug. 4, to Sunday, Aug. 7, for the Seafair Air Show. Several off- and on-ramps will also be closed.

Scheduled closures:

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