Metrobus P21 bus Stop List and Next Departures
The Metrobus P21 - Greenbelt-New Carrollton bus serves 66 bus stops in the Washington D.C. area departing from New Carrollton Station and ending at Greenbelt / Bay D. Scroll down to see upcoming P21 bus times at each stop and the next scheduled P21 bus times will be displayed. The full P21 bus schedule as well as real-time departures (if available) can be found in the Transit app.
Metrobus P21 bus route map
The Metrobus P21 - Greenbelt-New Carrollton bus route map is shown above. The route map shows you an overview of all the stops served by the Metrobus P21 bus to help you plan your trip on Metrobus. Opening the app will allow you to see more detailed information about the route on a map including stop specific alerts, such as stops that have been closed or moved. You can also see the location of vehicles in real-time on the route map so you know when the P21 bus is approaching your stop.
See the detailed route mapMetrobus P21 bus Service Alerts
Open the Transit app to see more information about any active disruptions that may impact the P21 bus schedule, such as detours, moved stops, trip cancellations, major delays, or other service changes to the bus route. The Transit app also allows you to subscribe to receive notifications for any service alert issued by Metrobus so that you can plan your trip around any active or future disruptions.
See all alertsMetrobus P21 bus Service Frequency
The next P21 bus leaves New Carrollton Station at 11:15 AM, and arrives at Greenbelt / Bay D at 12:02 PM. You can see the frequency of upcoming trips and the exact departure times by opening the Transit app.
See all departuresMetrobus P21 bus On-Time Performance
80 % on time80% of riders report that the Metrobus P21 bus arrived on time on their previous trip. In the past 30 days, 31 riders reported on the on-time performance of the P21 bus. Compared to other Metrobus lines, the P21 bus is ranked 12 out of 125 Metrobus lines. These on-time performance stats are user reported and may differ from official Metrobus metrics. See more details about on time, late or early departure reports for the P21 by opening the Transit app.
See all on-time perfomance details