The new Washington State ferry Salish is completing builder’s sea trials in Puget Sound. The vessel is expected to begin serving the Port Townsend-Coupeville route this summer, restoring full two-boat service to the route for the first time since 2007. Contractor Todd Pacific Shipyards is conducting sea trials to demonstrate the vessel to U.S. Coast Guard and WSDOT Ferries Division (WSF) inspectors before WSF accepts delivery of the vessel. Later this spring, WSF crews will begin…