Stretch of I-5 in WA to Close This Weekend as Part of $3.1B, 8.5-Mile Light Link Rail Project

Snohomish County, WA — Construction of a new light link rail will close portions of Interstate 5 over the weekend, the Washington Department of Transportation (WDOT) has confirmed.

According to WDOT, closures will begin as early as Friday, May 13 and continue through Monday, May 16, in the southbound lanes of I-5 between 220th Avenue SW and 236th Street SW for work on the Lynnwood Link Light Rail extension.


Full I-5 southbound closures will occur during the following times:

• Friday, May 13, through Saturday, May 14, 11:00 p.m. – 6:00 a.m.
• Saturday, May 14, through Sunday, May 15, 11:00 p.m. – 6:30 a.m.
• Sunday, May 15, through Monday, May 16, 11:00 p.m. – 4:00 a.m.

The 46th Avenue HOV On-Ramp to I-5 southbound will close earlier at 9 p.m. and the 220th Avenue On-Ramp to I-5 southbound will close at 10 p.m., WDOT confirmed.


The MLT Flyover South and North Ramps will remained closed all weekend.

Construction performed during this time will support the trackway that will cross over I-5.

WDOT has provided a detour route (below).

The northbound lanes will remain open, according to WDOT.

WDOT is advising motorists in the area to plan ahead, leave early and allow extra time to reach their destinations.


The Lynnwood Link project is budgeted at $3.1 billion and includes up to $1.17 billion from a Full Funding Grant Agreement executed by the Federal Transit Administration.

The project extends light rail approximately 8.5 miles from Northgate into Snohomish County, serving four stations, Shoreline South/148th, Shoreline North/185th, Mountlake Terrace and Lynnwood City Center.

It is slated to open in 2024.

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