US 12 paving, rumble strip work from Elma to Old Highway 9 begins July 12

ELMA, Wash. – Work improving US 12 begins next week when WSDOT and contractor, Granite Construction, begin operations to pave a seven-mile section of the roadway and add centerline rumble strips the length of the 23-mile project between Elma and Old Highway 9.

Motorists can expect pilot-car controlled, one-way alternating traffic during roadway paving from the Black River Bridge to Old Highway 9 (mileposts 37.62 and 44.62) from 7 p.m. to 6 a.m. weeknights, Monday through Friday.

Drivers may also encounter one-way alternating traffic operations between Elma and the Black River Bridge (mileposts 21.56 and 37.62) during striping and centerline rumble strip installation. This work can occur during the day or night.

The $1.45 million project, which enhances safety and improves the roadway surface, is scheduled to begin July 12, and conclude Sept. 15.

To find out about traffic impacts from the US 12 construction and other projects in the area, visit