Route 21


Route 21 provides service between the New Carrollton Metrorail Station and Upper Marlboro. Key 
destinations along the route include the Downtown Largo Metrorail Station, Kaiser Permanente in 
Largo, and the County Courthouse in Upper Marlboro. Other stops include the Ardwick Ardmore 
Road business corridor, the Lansdowne Village Apartments, and Prince George’s Community 


Effective December 4, 2023, Route 21 follows a new routing via Brightseat Road, Arena Drive, and 
Downtown Largo Metrorail Station, making stops at Landover Drive, Lansdowne Village 
Apartments, and Jericho City Drive, resuming its existing routing after Downtown Largo Metrorail 
Station. The stops on Landover Road at Arena Drive and Lake Arbor Way have been eliminated. On 
Saturdays, every other Route 21 trip operates between New Carrollton and PGCC only; trips will 
only run to Upper Marlboro every hour.

Route 21 Schedule & Map

Route Information View/Print Schedule Map Saturday Schedule
Effective December 4, 2023 Route 21 Schedule Route 21 Real-Time Map Route 21 Schedule