Known as Goldsboro Road, the state highway runs 1.97 miles (3.17 km) from MacArthur Boulevard near Glen Echo north to MD 191 in Bethesda in southwestern Montgomery County.

The highway was extended to its present termini in the late 1970s.

MD 614 begins at a directional intersection with MacArthur Boulevard on the town line between of Glen Echo and Bethesda, adjacent to the entrance to the Clara Barton National Historic Site and Glen Echo Park.

MD 614 continues east, passing through Kenwood Country Club before reaching its northern terminus at MD 191 (Bradley Boulevard) in Bethesda.

All four are 0.02-mile (0.032 km) right-turn ramps at the state highway's intersection with MD 190.