State Route 282 (SR 282) is a 4.92-mile-long (7.92 km) state highway in the U.S. state of Washington, serving Grant County. The highway travels southeast from SR 28 in Ephrata to Ephrata Municipal Airport and an intersection with SR 17. Prior to its establishment during the 1964 highway renumbering, SR 282 was a branch of Secondary State Highway 11G (SSH 11G).