MARYSVILLE — Drivers should plan ahead for overnight lane closures on both directions of I-5 near Marysville and Arlington this week. Crews working on the I-5 Marysville median barrier project and the I-5/SR 531 interchange project will close lanes on I-5 Tuesday through Thursday nights.

In Marysville, drivers should plan for closures on I-5 between SR 531 and the Stillaguamish Bridge:

• Tuesday, July 6 through Thursday, July 8 – Crews will close one left lane of northbound I-5 from 7 p.m. to 7 a.m. and two left lanes of southbound I-5 from 7 p.m. to 5 a.m. nightly to install concrete barrier.

• Tuesday, July 6 – Crews will also close the right lane of southbound I-5 from south of Arlington to Marysville from 7 p.m. to 5 a.m. while they install traffic sensors. One lane of southbound I-5 will remain open at all times.

In Arlington, drivers should plan for closures on I-5 near the SR 531 interchange:

• Wednesday, July 7 – Crews will close the two left lanes of southbound I-5 from 7 p.m. to 5 a.m.

• Thursday, July 8 – Crews will close the two right lanes of southbound I-5 from 7 p.m. to 5 a.m. Crews will also close the right lane of northbound I-5 from 7 p.m. to 7 a.m.

During the closure crews will complete permanent striping at the interchange.

For more information on the I-5 – Marysville to Stillaguamish River – median barrier project, visit www.wsdot.wa.gov/projects/i5/marysvillemedianbarrier. For more information on the I-5/172nd Street NE (SR 531 Smokey Point) interchange improvement project, visit www.wsdot.wa.gov/projects/sr531/i5loopramp.

Visit WSDOT’s construction update webpage for details about this and other projects in Snohomish County, www.wsdot.wa.gov/Northwest/Snohomish/Construction.