State Route 237 (SR 237, now Best Road, Farm to Market Road, Mactaggart Avenue and West Bow Hill Road) was a 9.07-mile (14.60 km) Washington state highway that ran from SR 20 in , through Edison and ending at SR 11 east of Edison. The roadway was established in 1937 as Secondary State Highway 1C and was renumbered to State Route 537 in 1964, before being renumbered to SR 237 in 1975. The road was decommissioned in 1991.