I-5

$12.3 million in preservation projects improve driving surfaces near Grand Mound and Lacey

GRAND MOUND – Two projects to improve the driving surface of Interstate 5 in Thurston County are complete.

Contractor crews working for the Washington State Department of Transportation worked on both directions of the highway from August through October.

DUPONT – After three years of construction, crews have completed a major project intended to increase safety, reduce congestion and improve access to communities. The project made a number of improvements on Interstate 5 as well as areas in and around DuPont and Joint Base Lewis-McChord.

UPDATE: The start of this project has been rescheduled to Tuesday, Aug. 25. The information below has been updated. 

Some concrete panels haven’t been replaced since the late ’60s

LACEY – Travelers should be on the lookout for orange signs, cones and flashing lights announcing lane closures starting in August as work begins to repair areas of Interstate 5 between Lacey and DuPont.

Nighttime work between Old Highway 99, Maytown Road includes Scatter Creek and Maytown rest areas

GRAND MOUND – For Interstate 5 travelers in south Thurston County, a smoother ride is coming this July. 

Starting Monday night, July 6, contractor crews working for the Washington State Department of Transportation will remove and replace nearly 7 miles of worn asphalt on both directions of the highway. Work also includes paving ramps and rest area parking lots. 

Limited number of pieces available; people need to complete waiver

BELLINGHAM – Community members have a limited opportunity to obtain a piece of Bellingham Rock from 9 a.m. to 3 p.m. Saturday, July 11, at the Civic Stadium parking lot in Bellingham.

Milestone for project intended to ease congestion, connect communities 

DUPONT – Travelers will notice the opening of new Interstate 5 high occupancy vehicle lanes in the DuPont area. The northbound diamond lane extension allows people to pick up the new HOV lane at Mounts Road. The new southbound I-5 HOV lane extends beyond Steilacoom-DuPont Road.

Learn more about this year’s project elements, construction timeline

FIFE – People who live, work or commute in north Pierce County are invited to an online open house for the final stage of the State Route 167 Completion Project. The last stage, also known as Stage 2b, is scheduled to begin heavy construction work in mid-July.

Beginning Monday, June 15, people can visit the Washington State Department of Transportation’s online open house to learn how construction in 2026 may affect the area.