Maryland Route 312

Maryland Route 312
Maryland Route 312 highlighted in red
Route information
Maintained by MDSHA
Length	11.41 mi[1] (18.36 km)
Existed	1927–present
Major junctions
South end	MD 404 near Ridgely
Major intersections	MD 480 in Ridgely MD 304 in Bridgetown
North end	MD 313 at Baltimore Corner
Location
Country	United States
State	Maryland
Counties	Caroline
Highway system
Maryland highway system Interstate US State Scenic Byways
← MD 311 → MD 313

Maryland Route 312 (MD 312) is a state highway in the U.S. state of Maryland. The state highway runs 11.41 miles (18.36 km) from MD 404 near Ridgely north to MD 313 at Baltimore Corner. MD 312 traverses northwestern Caroline County, connecting Ridgely with Bridgetown. The highway's first section was paved around Ridgely in the 1910s. The highway was completed from MD 404 to Ridgely in the mid-1920s and from north of Ridgely to Baltimore Corner in the late 1920s.