Maryland Route 303 (MD 303) is a state highway in the U.S. state of Maryland. The state highway runs 4.20 miles (6.76 km) from MD 309 in Cordova north to MD 404 in Queen Anne. MD 303 is an L-shaped highway that passes through the northeast corner of Talbot County and the southeast corner of Queen Anne's County. The state highway also passes very close to the birthplace of Frederick Douglass. MD 303 was originally designated along Starr Road between Queen Anne and U.S. Route 213 (US 213) south of Centreville, while present MD 303 is part of the old alignment of MD 309. The original MD 303 was constructed in the late 1920s and early 1930s, with a gap near filled in the late 1940s. MD 309 absorbed MD 303 in 1955. MD 303 was assigned to its present course in 1961.