Thurston County construction and travel updates

Thurston County

  • Sign up for email updates for major roadwork on state highways in Thurston County. 


I-5 - SR 510 Interchange - Reconstruct Interchange
I-5 Region: Olympic County: Thurston Location: Milepost(s) 110 to 112.5
Contact: Doug Adamson, 360-357-2716
Description:  Crews are converting the existing interchange into a diverging diamond interchange. All users of this interchange are strongly encouraged to sign up for WSDOT email updates and see more at the project webpage.

Marvin Road

As soon as the evening of Thursday, June 4

  • Single lane closures for both directions of Marvin Road. Uniformed police officers or flaggers will direct traffic through the intersections adjoining the northbound and southbound I-5 ramps.
  • ​The left Marvin Road southbound lane approaching the overpass will temporarily become a left turn only for northbound I-5 and Quinault Drive Northeast. The left southbound lane will not be open for through traffic into Lacey. Southbound Marvin Road travelers going into Lacey will use the right lane.

9 p.m. Monday, June 8 to 5 a.m. the following day

  • Marvin Road on-ramp to northbound I-5 will close.
  • Southbound Marvin Road right lane closure between the overpass and Quinault Drive.


  • Single-lane closure for northbound I-5 exit to Marvin Road. One lane is open.

Highway: SR 8 Region: Olympic County: Thurston Location: Milepost(s) 19 to 18.4
Contact: Brent Schiller, 360-538-8530
Description: Single lane closures in both directions for environmental monitoring. 
Work Schedule:  8 a.m. to 4 p.m. Tuesday through Thursday, June 2-4.

Highway: US 101 Region: Olympic County: Thurston Location: Milepost(s) 356.9 to 349
Contact: Matt Beattie, 360-357-2606 
Description: Slow moving vehicle using both directions for lane striping. 
Work Schedule:  9 a.m. until 4 p.m. Wednesday, June 10.