Temporary Detour: 2025 Greenbelt Labor Day Parade on September 1
Advisory Effective: 9/1/25 - 9/1/25
Monday, September 1, 2025 | 6:00am – 4:00pm
Routes Affected: P20, P21
On Monday, September 1, buses will detour due to the 2025 Greenbelt Labor Day Parade, from 6:00am until 4:00pm. Please allow additional time and avoid the area if possible. Please sign up for MetroAlerts at www.wmata.com/metroalerts for service information.
Street Closure:
- Crescent Rd between Greenhill Rd and Southway
The following routes will detour:
P20 Greenbelt Rd – New Carrollton northbound towards Greenbelt Station
- Buses begin detouring on Southway at Ridge Rd, resuming regular route on Ridge Rd at 12 Ct.
P20 Greenbelt Rd – New Carrollton southbound towards New Carrollton Station
- Buses begin detouring on Ridge Rd at 12 Ct, resuming regular route on Southway at Ridge Rd.
P21 Greenbelt Rd – New Carrollton northbound towards Greenbelt Station
- Buses begin detouring on Ridge Rd at Southway, resuming regular route on Ridge Rd at 12 Ct.
- Buses begin detouring on Ridge Rd at Gardenway, resuming regular route on Crescent Rd at Gardenway.