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A regional project beginning in March 2024 will update 24 guardrails and attenuators along Interstates 5, 90 and 405, US 2 and State Routes 522 and 527 in King, Snohomish and Whatcom counties. The breakaway cable terminals, or guardrail protective end caps, face oncoming traffic and will be…

WSDOT is starting work on the Slater Road corridor north of Bellingham, between Rural Avenue, west of I-5, and Northwest Drive, east of I-5. These improvements are broken into multiple phases and the projects will relieve congestion on the I-5 off ramps at the Slater Road Interchange. This will…

WSDOT will construct this project through the design build process, removing two fish barriers, one under SR 11 at 30th Street, the other under Interstate 5, south of the SR11/Old Fairhaven Parkway on- and off-ramps and replacing them with fish passable structures. Additional improvements will be…

Along a 12-mile stretch of southbound Interstate 5 in Whatcom and Skagit counties between milepost 243 just north of Nulle Road to milepost 231 near the State Route 11/Chuckanut Drive interchange the pavement was worn, and the pavement was full of cracks, ruts and potholes along the highway. The…

We repaired or replaced the concrete on 17 bridges in King, Snohomish, Skagit and Whatcom counties. Before this project, many of these concrete bridge decks had patches covering old potholes and ruts. Contractor crews removed damaged and patched areas and replaced it with new slabs of concrete.…

The Northwest Region Emergency Pavement Repair project covered 88 locations among 23 communities in King, Snohomish, Skagit and Whatcom counties. The repairs spanned three interstates, 12 state highways and about 20 miles of pavement repair, including four bridge decks.

Completed in…

This project will replace a fish barrier on State Route 539/Guide Meridian just north of Front Street in Lynden and replace it with a fish passable structure.

WSDOT removed the current fish barrier located on State Route 542/Mt. Baker Highway located between Britton Road and Noon Road in Bellingham and replaced it with a single-span bridge for an estimated habitat gain of approximately 3 miles.

This project removed the existing barrier where an Unnamed Tributary to Fourmile Creek crosses under State Route 544, west of Noon Road (milepost 3). This project was about two miles west of Everson and 3.5 miles south of Lynden in Whatcom County.

This project will improve the Kamm Ditch fish passage on SR 546 in Whatcom County between milepost 4.13 and milepost 4.27.

This project will replace three fish barriers with fish passable structures. Two of the barriers are located along SR 546 (East Badger Road) on either side of Double Ditch Road and the third barrier is located just west of Double Ditch Road near Lynden. This project is located between milepost .1…

This project will improve the passage of migratory fish by replacing the culvert underneath SR 9 at milepost 70.60, where an unnamed tributary runs to Landingstrip Creek in Whatcom County.