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 College. 

Route 21 Schedule & Map

The Route 21 Schedule was updated on June 3, 2024.