Maryland Route 594 is a collection of unsigned state highways in the U.S. state of Maryland. The highways are located in Montgomery and Prince George's counties to the north of Washington, D.C. MD 594 consists of three mainline and three auxiliary routes. The three mainline routes are designated MD 594A, MD 594E, and MD 594F. MD 594A runs from U.S. Route 29 east to Flower Avenue within Silver Spring in southeastern Montgomery County. MD 594E runs from US 1 in College Park east to MD 201 in Riverdale Park in northwestern Prince George's County. MD 594F runs from MD 410 east to MD 450 in New Carrollton in northwestern Prince George's County. The three auxiliary routes are designated MD 594B, MD 594C, and MD 594D, and are located in Montgomery County. The sections of the route in Montgomery County were transferred to the state in 2016 while the sections of the route in Prince George's County were transferred to the state in 2017.
MD 594E begins at an intersection with US 1 on the eastern edge of the University of Maryland at College Park campus in College Park in Prince George's County. From here, the route heads east on Campus Drive, a four-lane divided highway that soon becomes undivided and curves south. The road runs between commercial development to the west and wooded areas in Paint Branch Stream Valley Park to the east. MD 594E turns to the east and heads between the park to the north and residential areas to the south. The route runs past commercial development before it passes under CSX's Capital Subdivision, which carries MARC's Camden Line, and Washington Metro's Green and Yellow lines. MD 594E turns south onto River Road, a four-lane divided highway, as it passes east of the College Park–University of Maryland station that serves MARC's Camden Line and Washington Metro's Green and Yellow lines. The road runs past business parks and curves east, crossing into Riverdale Park and coming to a roundabout at University Research Court/Haig Drive. MD 594E crosses the Northeast Branch Anacostia River in a wooded area before it comes to its terminus at an intersection with MD 201.
New Carrollton
MD 594F begins at an intersection with MD 410 near New Carrollton in Prince George's County, heading east on four-lane undivided Ellin Road. The route passes through wooded residential areas, curving southeast and then northeast as it becomes a divided highway. The road heads into business parks as it passes northwest of the New Carrollton station that serves Amtrak's Northeast Corridor, MARC's Penn Line, and the terminus of Washington Metro's Orange Line. MD 594F comes to an intersection with Harkins Road, at which point the road name changes to 85th Avenue. The route narrows to a two-lane undivided road and continues north into New Carrollton, heading past apartment complexes. MD 594F runs past businesses before it comes to its terminus at an intersection with MD 450, where 85th Avenue continues north as a municipal road.
History
MD 594A, MD 594B, MD 594C, and MD 594D were transferred to the state from Montgomery County on March 15, 2016. MD 594E and MD 594F were transferred to the state from Prince George's County in an agreement dated May 11, 2017.
Junction list
MD 594A
MD 594E
MD 594F
Auxiliary routes
MD 594 has three auxiliary routes located in Montgomery County.
MD 594B is the designation for the section of Bonifant Street from Ramsey Avenue, which borders the Silver Spring Transit Center, to US 29 in downtown Silver Spring.
MD 594C is the designation for the section of Bonifant Street from US 29 to Fenton Street on the opposite side of the Silver Spring Library from Wayne Avenue in downtown Silver Spring. Bonifant Street continues east as a county-maintained street.
MD 594D is the designation for Arliss Street, which runs from Flower Avenue south of its intersection with Wayne Avenue east and south to MD 320.