Stage 1a builds a new SR 99 bridge over the future SR 509 Expressway. Light rail will travel above. Sound Transit is building the SR 99 bridge for WSDOT as part of the Federal Way Link Extension.

Closure of International Boulevard coming in July for WSDOT construction in SeaTac

Drivers need to be prepared for a 28-night southbound closure of International Boulevard between South 204th Street and South 208th Street.  The nearly month-long nighttime closure could begin as early as Tuesday, July 5 and extend through August. The start date is pending approval of permits and a traffic control plan. Detours will be in … Continue reading Closure of International Boulevard coming in July for WSDOT construction in SeaTac