The right lane of both directions of Tukwila International Boulevard will close beneath SR 99 from 10 a.m. to 3 p.m. daily Tuesday and Wednesday, Oct. 20-21, for maintenance.
Effective: Oct 16, 2026, 11:35 AM Expected end: Oct 21, 2026, 3:00 PM
The right lane of both directions of Tukwila International Boulevard will close beneath SR 99 from 10 a.m. to 3 p.m. daily Tuesday and Wednesday, Oct. 20-21, for maintenance.
Effective: Oct 16, 2026, 11:35 AM Expected end: Oct 21, 2026, 3:00 PM
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WSDOT highway construction and road closures within 50 miles of Tacoma β 10/17/2026: 099 [18 mi from Tacoma]: The right lane of both directions of Tukwila International Boulevard will close beneath SR 99 from 10 a.m. to 3 p.m. daily Tuesday and Wednesday, Oct. 20-21, for maintenance. Effective: Oct 16, 2026, 11:35 AM Expected end: Oct 21, 2026, 3:00 PM 005 [22 mi from Tacoma]: The northbound I-5 off-ramp to Corson-Michigan will close from 10 p.m. Tuesday, Oct. 20, to 5 a.m. Wednesday, Oct. 21, for maintenance. A signed detour will loop around at West Seattle/Columbia and use the southbound I-5 off-ramp to Corson-Michigan. Effective: Oct 16, 2026, 11:09 AM Expected end: Oct 21, 2026, 5:00 AM 900 [23 mi from Tacoma]: Expect alternating traffic near the SR 900 intersection with May Valley Road (milepost 17-18) from 9 a.m. to 3 p.m. daily Monday, Oct. 19, through Thursday, Oct. 22, for utility work. Effective: Oct 16, 2026, 1:12 PM Expected end: Oct 22, 2026, 3:00 PM 090 [26 mi from Tacoma]: The eastbound I-90 off-ramp to Factoria Boulevard Southeast will be closed overnight from 9 p.m. β 7 a.m., starting the night of Friday, Oct. 16 to the morning of Saturday, Oct. 17. A signed detour will be in place. Effective: Oct 16, 2026, 12:00 AM Expected end: Oct 17, 2026, 7:00 AM 090 [26 mi from Tacoma]: The eastbound I-90 off-ramp to Factoria Boulevard Southeast will be closed overnight from 9 p.m. β 7 a.m., starting the night of Friday, Oct. 16 to the morning of Saturday, Oct. 17. A signed detour will be in place. Effective: Oct 16, 2026, 12:00 AM Expected end: Oct 17, 2026, 7:00 AM 090 [27 mi from Tacoma]: The right lane of the eastbound I-90 off-ramp to 150th Avenue Southeast will close from 9 p.m. to 5 a.m. nightly Monday, Oct. 19, through Friday morning, Oct. 23, for utility work. Effective: Oct 16, 2026, 11:31 AM Expected end: Oct 23, 2026, 5:00 AM 405 [27 mi from Tacoma]: On I-405 northbound from SE 8th St (MP 13) to NE 4th St (MP 14) all lanes are closed due to for construction until Monday 4:30 AM. Effective: Oct 16, 2026, 11:52 PM 405 [27 mi from Tacoma]: The Southeast Eighth Street on-ramp to northbound I-405 will be closed day and night, 11 p.m. β 4 a.m., starting the night of Friday, Oct. 16 to the morning of Monday, Oct. 19. Signed detours will be in place. Effective: Oct 9, 2026, 12:00 AM Expected end: Oct 19, 2026, 4:00 AM
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