State highway in Maryland, United States
Maryland Route 594 (MD 594) is an unsigned state highway in the U.S. state of Maryland. Known as Wayne Avenue, the highway runs 1.40 miles (2.25 km) from U.S. Route 29 (US 29) east to Flower Avenue within Silver Spring in southeastern Montgomery County. This segment is part of a collection of four auxiliary routes designated as MD 594 in the Silver Spring area. Wayne Avenue is designated MD 594A, while the three other auxiliary routes are designated MD 594B, MD 594C, and MD 594D. MD 594A, MD 594B, MD 594C, and MD 594D were transferred to the state from Montgomery County in 2016. MD 594E and MD 594F, which were located in Prince George's County, were transferred to the state from the county in 2017. In 2019, MD 594E and MD 594F were renumbered to MD 431 and MD 433 respectively.
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