Route 51X

Route-51X

Route 51X circulates around Upper Marlboro from the County Administration Building to the 
County Courthouse and the Equestrian Center Park and Ride.

UPDATES

Effective December 4, 2023, Route 51X operates in staggered headways throughout the day: every 
5 minutes from 6:00 to 9:00 a.m., every 7-8 minutes from 9:00 a.m. to 2:00 p.m., and every 10 
minutes from 2:00 p.m. to 6:00 p.m. Additionally, the route starts and ends behind the County 
Administration Building, rather than the Equestrian Center Park and Ride.

Route 51X Schedule & Map

Route Information View/Print Schedule Map
Effective December 4, 2023 Route 51X Schedule Route 51X Real-Time Map