MD 342 begins at an intersection with MD 310 (Cayots Corner Road) at the hamlet of St. Augustine.
The two-lane undivided highway runs through rural areas and heads northeast, makes a right-angle turn to the northwest, curves to the west, then takes a sharp turn to the north.
The state highway enters the town of Chesapeake City an intersects an unnamed road (unsigned MD 537D) that leads west to an interchange with MD 213 at the southern end of the Chesapeake City Bridge over the Chesapeake & Delaware Canal.
MD 342 continues to its northern terminus at an oblique junction with George Street, which is unsigned MD 537C and leads north to MD 286 in the South Chesapeake City Historic District.
MD 342 begins at an intersection with MD 310 (Cayots Corner Road) at the hamlet of St. Augustine. The two-lane undivided highway runs through rural areas and heads northeast, makes a right-angle turn to the northwest, curves to the west, then takes a sharp turn to the north. The state highway enters the town of Chesapeake City an intersects an unnamed road (unsigned MD 537D) that leads west to an interchange with MD 213 at the southern end of the Chesapeake City Bridge over the Chesapeake & Delaware Canal. MD 342 continues to its northern terminus at an oblique junction with George Street, which is unsigned MD 537C and leads north to MD 286 in the South Chesapeake City Historic District.
Maryland Route 342