Route 51A


The Route 51A circulates through the Town of Upper Marlboro. It serves the Downtown Upper Marlboro, the County Administration Building, and the Marlboro Meadows community located off MD Route 301/Crain Highway. The Route 51A also provides a connection to the Upper Marlboro Branch Library. Route 51A connects with Routes 20, 21, 51B, and 51X at the County Administration Building in Upper Marlboro

Route 51A currently operates with 30 minute frequency. Service span is 6:00 am to 6:00 pm.


New schedule is in effect to accommodate demand during COVID-19.

Route 51A Schedule & Map

Route Information View/Print Schedule Map
Effective August, 2020 Route 51A Schedule Route 51A Real Time Map