SEATTLE — A serious crash has shut down traffic on state Route 18 between Covington and Maple Valley, leaving three people with serious injuries and prompting officials to urge drivers to stay away from the area.
The multi-vehicle crash involved at least three vehicles, blocking all eastbound lanes of State Route 18 near State Route 169 on Thursday, Washington State Patrol (WSP) said.
Puget Sound Fire and the Washington State Patrol responded to the crash on eastbound Highway 18 west of Southeast 231st Street…