Construction Look Ahead

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March 17: St. Pat's Dash and St. Patrick's Day Parade will close streets in Downtown and South Lake Union.

March 24 & 25: SR99 viaduct closed 6AM to 6PM between Denny Way and S. Spokane St. for semi-annual inspection.

March 24 & 25: Southbound I-5 reduced to one lane at night between SR520 and Stewart St; Mercer St on-ramp closed.

March 24: March for our Lives rally and march. 9AM rally at Cal Anderson Park followed by 11AM march to Seattle Center.

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Note: Information subject to change. Additional construction or events may be planned in the Seattle area.
Questions? Contact: or call 206-684-ROAD

SDOT Construction List
LocationDates and TimesProject Name / AgencyDescription of Traffic Impacts
Updated: 3/15/2018