4 nights of lane restrictions on SR 18 over Tiger Mountain

WSDOT is conducting a four-night surveying project over Tiger Mountain on SR 18 starting Thursday, September 10, reducing eastbound traffic to a single lane from 9 p.m. to 5 a.m. through September 14. Additional westbound single-lane closures are planned for six nights beginning September 15, followed by full eastbound closures for six nights starting September 23. Maple Valley commuters using SR 18 should expect delays and plan extra travel time during these overnight restrictions.