State Route 534 (SR 534) is a short Washington state highway located in Skagit County. The 5.08-mile (8.18 km) long route runs east from Interstate 5 (I-5) in Conway to SR 9 in Lake McMurray. The highway was first designated as a state-maintained highway in 1937, when it became Secondary State Highway 1H (SSH 1H) as part of the creation of the Primary and secondary state highways; SSH 1H later became SR 534 during the 1964 highway renumbering