Old Highway 99, between 93rd Avenue Southeast and 88th Avenue Southeast, has been closed off due to a fatal collision early ...

The state ranked 47th overall in highway performance and cost-effectiveness, a slight drop from its 46th-place ranking in the ...

The Washington State Department of Transportation has warned drivers to prepare for a weekend of closures around Western ...

Drivers in King County will encounter temporary lane shutdowns this weekend at five spots, the busiest of which will be southbound Interstate 5 approaching downtown Seattle.

Traffic Lab is a Seattle Times project that digs into ... A subcontractor on Washington state’s Highway 99 tunnel project will pay a total of $370,666 in back wages to 46 people who disposed ...