Project updates
Learn about where and when construction is happening throughout the ST district.

Upcoming night closures on I-405

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HOV lane closures on I-405

As early as Monday, Dec. 11th crews will survey I-405 northbound and southbound in preparation for restriping the roadway. The HOV/Express Toll lanes will be closed starting near the 6th Street off ramp on both northbound (8 p.m. – 4 a.m.) and southbound (10 p.m. – 4 a.m.) I-405. The off ramp exit to NE 6th Street will remain open.

Full closure of southbound I-405 

(The southbound closure WILL NOT happen on Tuesday, Dec. 12. Southbound closure date TBD)

Beginning as early as Tuesday, Dec. 12th crews will fully close southbound I-405 from 11:59 p.m. – 4 a.m. to paint new lines on the roadway. Tuesday’s work is contingent on dry weather conditions. Starting at NE 4th Street (Exit 13B), traffic will be detoured onto the offramp and around the closed portion of I-405 south. The off ramp exit to NE 6th Street will be closed while the work is occuring.

Full closure of northbound I-405 

Beginning as early as Wednesday, Dec. 13th crews will fully close nothbound I-405 from 11:59 p.m. – 4 a.m. to paint new lines on the roadway. Wednesday’s work is also contingent on dry weather conditions. Starting at NE 4th Street (Exit 13B), traffic will be detoured onto the offramp and around the closed portion of I-405 north. The off ramp exit to NE 6th Street will be closed while the work is occuring. Vehicles seeking to access SR 520 during the full northbound closure will need to use the NE 4th Street off ramp (Exit 13A).  SR 520 detour signs will be in place directing drivers accordingly.

Map of night closures on I-405 December 2017