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Washington D.C.Metrobus

Metrobus P21 bus

Previously G12

Hanover Pkwy-New Carrollton

65 % on time

Metrobus P21 bus Stop List and Next Departures

The Metrobus P21 - Hanover Pkwy-New Carrollton bus serves 62 bus stops in the Washington D.C. area departing from Greenbelt / Bay D and ending at New Carrollton. 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 can be found in the Transit app.

See more departures
Stops
Mon, Apr 13, 2026
  • Greenbelt / Bay D8:50 AM
  • Greenbelt Metro Dr / Cherrywood Ln8:52 AM
  • Cherrywood Ln / Ivy Ln8:53 AM
  • Ivy Ln / 63038:53 AM
  • Ivy Ln / Crowne Plaza8:54 AM
  • Ivy Ln / Turner Pl8:54 AM
  • Ridge Rd / Ivy Ln8:55 AM
  • Ivy Ln / Lastner Ln8:56 AM
  • Lastner Ln / Julien Ct8:57 AM
  • Ridge Rd / 73 Ct8:58 AM
  • Ridge Rd / Research Rd8:59 AM
  • Ridge Rd / Laurel Hill Rd8:59 AM
  • Ridge Rd / #57 Court9:00 AM
  • Ridge Rd / Plateau Pl9:00 AM
  • Ridge Rd / Northway9:01 AM
  • Ridge Rd / Eastway9:01 AM
  • Ridge Rd / 35 Ct9:02 AM
  • Ridge Rd / 33 Ct9:02 AM
  • Ridge Rd / Gardenway9:02 AM
  • Crescent Rd / Gardenway9:03 AM
  • Southway / Crescent Rd9:04 AM
  • Ridge Rd / 12 Ct9:05 AM
  • Westway / Ridge Rd9:05 AM
  • Lakeside Dr / Westway9:06 AM
  • Lakeside Dr / Lakecrest Dr9:06 AM
  • Lakecrest Dr / Legion Dr9:07 AM
  • Greenbelt Rd / Greenway Ctr9:09 AM
  • Hanover Pkwy / Greenbelt Rd9:10 AM
  • Hanover Pkwy / #77169:11 AM
  • Hanover Pkwy / #78009:12 AM
  • Hanover Pkwy / Mandan Rd9:13 AM
  • Mandan Rd / #76489:13 AM
  • Mandan Rd / #75169:14 AM
  • Mandan Rd / #75019:15 AM
  • Mandan Rd / Court #79:15 AM
  • Ora Glen Dr / Mandan Rd9:16 AM
  • Ora Glen Dr / Morrison Dr9:16 AM
  • Ora Glen Dr / Wintergreen Ct9:17 AM
  • Ora Glen Dr / Ora Ct9:18 AM
  • Hanover Pkwy / Greenway Center Dr9:18 AM
  • Hanover Pkwy / Hanover Dr9:19 AM
  • Hanover Pkwy / Greenbrook Dr9:19 AM
  • Hanover Pkwy / Hunting Ridge9:20 AM
  • Hanover Pkwy / Village Park Dr9:21 AM
  • Hanover Pkwy / Megan Ln9:22 AM
  • Hanover Pkwy / Spring Manor Dr9:22 AM
  • Hanover Pkwy / Green Crescent Ct9:22 AM
  • Doctors Hospital Rdwy / Bus Shelter9:23 AM
  • Princess Garden Pkwy / Greenfield Dr9:25 AM
  • Princess Garden Pkwy / #65129:26 AM
  • Princess Garden Pkwy / Woodburn Ct9:26 AM
  • Princess Garden Pkwy / Hickory Hill Av9:27 AM
  • Princess Garden Pkwy / City Hall9:29 AM
  • Princess Garden Pkwy / Annapolis Rd9:29 AM
  • Annapolis Rd / 85 Av9:31 AM
  • Annapolis Rd / Riverdale Rd9:32 AM
  • Annapolis Rd / #79909:32 AM
  • Annapolis Rd / W Lanham Dr9:33 AM
  • Harkins Rd / Annapolis Rd9:34 AM
  • Harkins Rd / W Lanham Dr9:34 AM
  • Harkins Rd / Ellin Rd9:35 AM
  • New Carrollton9:37 AM
  • 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 Greenbelt / Bay D at 8:50 AM, and arrives at New Carrollton at 9:37 AM. 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

    65 % on time

    65% of riders report that the Metrobus P21 bus arrived on time on their previous trip. In the past 30 days, 50 riders reported on the on-time performance of the P21 bus. Compared to other Metrobus lines, the P21 bus is ranked 91 out of 126 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 performance details

    Metrobus P21 bus FAQ

    Other Metrobus bus schedules, routes and maps

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