Route 51B



The Route 51B circulates through the Town of Upper Marlboro. It serves the Dutch Village Farmer’s Market at Old Marlboro Pike and John Rogers Boulevard, downtown Upper Marlboro, the County Administration Building, and the Marlboro Village Community. The Route 51B also provides a connection to the Upper Marlboro Branch Library. Route 51B connects with Routes 20, 21, 51A, and 51X at the County Administration Building in Upper Marlboro


Route 51B 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 51B Schedule & Map

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