The Seattle Department of Transportation's weekly transportation construction update highlights the projects and events that may impact travel through the Seattle area. View this week's update.

This week's highlights: 

• March 9 - 12: Northbound I-5 exit to Madison Street closed during replacement of expansion joints.
• March 10: Metering of Mercer Street on-ramps to I-5 begins.
• March 10 - 11: Intersection of Denny Way and Dexter Avenue North reduced to one lane in each direction.
• March 17: St. Pat's Dash and St. Patrick's Day Parade will close streets in Downtown and South Lake Union.
• March 24 & 25: SR-99 viaduct closed 6 a.m. to 6 p.m. between Denny Way and South Spokane Street for semi-annual inspection.
• March 24 & 25: Southbound I-5 reduced to one lane at night between SR-520 and Stewart Street; Mercer Street on-ramp closed.
• March 24: March for our Lives rally and march. 9 a.m. rally at Cal Anderson Park followed by 11 a.m. march to Seattle Center.

If you have questions, contact construction.coordination@seattle.gov or call 206-684-ROAD.