Construction alert: East Link Extension

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Construction alert:

East Link Extension

Dec. 7, 2017


Upcoming night closures on I-405


In preparation for construction of the elevated light rail structure across I-405, Sound Transit’s contractor will be closing lanes in order to restripe the roadway and establish temporary work zones.

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 

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 off ramp 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 off ramp 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 I-405 night closure Dec. 2017

For more information