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Washington D.C.Metrobus

Metrobus P21 bus

Previously G12

Hanover Pkwy-New Carrollton

75 % on time

Metrobus P21 bus Stop List and Next Departures

The Metrobus P21 - Hanover Pkwy-New Carrollton bus serves 65 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.

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Stops
Wed, Aug 27, 2025
  • New Carrollton Station3:15 PM
  • Harkins Rd / #79003:16 PM
  • Harkins Rd / W Lanham Dr3:17 PM
  • Harkins Rd / Annapolis Rd3:18 PM
  • Annapolis Rd / W Lanham Dr3:18 PM
  • Annapolis Rd / #79903:19 PM
  • Annapolis Rd / Riverdale Rd3:19 PM
  • Annapolis Rd / 85 Av3:20 PM
  • Annapolis Rd / Princess Garden Pkwy3:22 PM
  • Annapolis Rd / Princess Garden Pkwy3:23 PM
  • Princess Garden Pkwy / Annapolis Rd3:24 PM
  • Princess Garden Pkwy / City Hall3:25 PM
  • Princess Garden Pkwy / Hickory Hill Av3:26 PM
  • Princess Garden Pkwy / Woodburn Ct3:27 PM
  • Princess Garden Pkwy / #65123:27 PM
  • Princess Garden Pkwy / Tiffany Ln3:28 PM
  • Doctors Hospital Rdwy / Bus Shelter3:29 PM
  • Hanover Pkwy / Green Crescent Ct3:30 PM
  • Hanover Pkwy / Spring Manor Dr3:30 PM
  • Hanover Pkwy / Megan Ln3:31 PM
  • Hanover Pkwy / Village Park Dr3:31 PM
  • Hanover Pkwy / Hunting Rdg3:33 PM
  • Hanover Pkwy / Greenbrook Dr3:33 PM
  • Hanover Pkwy / Hanover Dr3:33 PM
  • Hanover Pkwy / Ora Glen Dr3:34 PM
  • Ora Glen Dr / S Ora Ct3:34 PM
  • Ora Glen Dr / Greenbrook Dr3:35 PM
  • Ora Glen Dr / Morrison Dr3:36 PM
  • Ora Glen Dr / Mandan Rd3:36 PM
  • Mandan Rd / Canning Ter3:37 PM
  • Mandan Rd / #75013:37 PM
  • Mandan Rd / #75163:38 PM
  • Mandan Rd / #76483:38 PM
  • Mandan Rd / Hanover Pkwy3:39 PM
  • Hanover Pkwy / #78003:40 PM
  • Hanover Pkwy / #77163:41 PM
  • Hanover Pkwy / Greenbelt Rd3:42 PM
  • Greenbelt Rd / Greenway Ctr3:43 PM
  • Lakecrest Dr / Lakecrest Cir3:45 PM
  • Lakecrest Dr / Lakeside Dr3:46 PM
  • Lakeside Dr / Westway3:46 PM
  • Westway / Ridge Rd3:47 PM
  • Ridge Rd / 12 Ct3:48 PM
  • Southway / Crescent Rd3:49 PM
  • Crescent Rd / Gardenway3:50 PM
  • Gardenway / Ridge Rd3:50 PM
  • Ridge Rd / Hamilton Pl3:51 PM
  • Ridge Rd / 38 Ct3:51 PM
  • Ridge Rd / Eastway3:51 PM
  • Ridge Rd / Northway3:52 PM
  • Ridge Rd / Plateau Pl3:52 PM
  • Ridge Rd / 58 Ct3:52 PM
  • Ridge Rd / Laurel Hill Rd3:53 PM
  • Ridge Rd / Research Rd3:53 PM
  • Ridge Rd / 73 Ct3:53 PM
  • Lastner Ln / Julien Ct3:54 PM
  • Lastner Ln / Ivy Ln3:55 PM
  • Ivy Ln / Ridge Rd3:55 PM
  • Kenilworth Av / Crescent Rd3:56 PM
  • Ivy Ln / Turner Pl3:57 PM
  • Ivy Ln / #64043:57 PM
  • Ivy Ln / #63013:58 PM
  • Cherrywood Ln / Ivy Ln3:58 PM
  • Greenbelt Metro Dr / Cherrywood Ln4:00 PM
  • Greenbelt / Bay D4:01 PM
  • Metrobus Hanover Pkwy-New Carrollton map

    Metrobus P21 bus route map

    The Metrobus P21 - Hanover Pkwy-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 map

    Metrobus 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 alerts

    Metrobus P21 bus Service Frequency

    The next P21 bus leaves New Carrollton Station at 3:15 PM, and arrives at Greenbelt / Bay D at 4:01 PM. You can see the frequency of upcoming trips and the exact departure times by opening the Transit app.

    See all departures

    Metrobus P21 bus On-Time Performance

    75 % on time

    75% of riders report that the Metrobus P21 bus arrived on time on their previous trip. In the past 30 days, 38 riders reported on the on-time performance of the P21 bus. Compared to other Metrobus lines, the P21 bus is ranked 42 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

    Metrobus P21 bus FAQ

    Other Metrobus bus schedules, routes and maps

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