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Washington D.C.Metrobus

Metrobus P21 bus

Previously G12

Hanover Pkwy-New Carrollton

64 % 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
Tue, Apr 14, 2026
  • Greenbelt / Bay D2:50 PM
  • Greenbelt Metro Dr / Cherrywood Ln2:52 PM
  • Cherrywood Ln / Ivy Ln2:54 PM
  • Ivy Ln / 63032:54 PM
  • Ivy Ln / Crowne Plaza2:54 PM
  • Ivy Ln / Turner Pl2:55 PM
  • Ridge Rd / Ivy Ln2:56 PM
  • Ivy Ln / Lastner Ln2:57 PM
  • Lastner Ln / Julien Ct2:58 PM
  • Ridge Rd / 73 Ct3:00 PM
  • Ridge Rd / Research Rd3:00 PM
  • Ridge Rd / Laurel Hill Rd3:01 PM
  • Ridge Rd / #57 Court3:02 PM
  • Ridge Rd / Plateau Pl3:02 PM
  • Ridge Rd / Northway3:03 PM
  • Ridge Rd / Eastway3:04 PM
  • Ridge Rd / 35 Ct3:05 PM
  • Ridge Rd / 33 Ct3:05 PM
  • Ridge Rd / Gardenway3:05 PM
  • Crescent Rd / Gardenway3:06 PM
  • Southway / Crescent Rd3:07 PM
  • Ridge Rd / 12 Ct3:08 PM
  • Westway / Ridge Rd3:08 PM
  • Lakeside Dr / Westway3:09 PM
  • Lakeside Dr / Lakecrest Dr3:10 PM
  • Lakecrest Dr / Legion Dr3:11 PM
  • Greenbelt Rd / Greenway Ctr3:13 PM
  • Hanover Pkwy / Greenbelt Rd3:14 PM
  • Hanover Pkwy / #77163:15 PM
  • Hanover Pkwy / #78003:16 PM
  • Hanover Pkwy / Mandan Rd3:17 PM
  • Mandan Rd / #76483:17 PM
  • Mandan Rd / #75163:18 PM
  • Mandan Rd / #75013:19 PM
  • Mandan Rd / Court #73:19 PM
  • Ora Glen Dr / Mandan Rd3:20 PM
  • Ora Glen Dr / Morrison Dr3:20 PM
  • Ora Glen Dr / Wintergreen Ct3:21 PM
  • Ora Glen Dr / Ora Ct3:22 PM
  • Hanover Pkwy / Greenway Center Dr3:22 PM
  • Hanover Pkwy / Hanover Dr3:23 PM
  • Hanover Pkwy / Greenbrook Dr3:23 PM
  • Hanover Pkwy / Hunting Ridge3:24 PM
  • Hanover Pkwy / Village Park Dr3:25 PM
  • Hanover Pkwy / Megan Ln3:26 PM
  • Hanover Pkwy / Spring Manor Dr3:26 PM
  • Hanover Pkwy / Green Crescent Ct3:26 PM
  • Doctors Hospital Rdwy / Bus Shelter3:27 PM
  • Princess Garden Pkwy / Greenfield Dr3:29 PM
  • Princess Garden Pkwy / #65123:30 PM
  • Princess Garden Pkwy / Woodburn Ct3:31 PM
  • Princess Garden Pkwy / Hickory Hill Av3:32 PM
  • Princess Garden Pkwy / City Hall3:33 PM
  • Princess Garden Pkwy / Annapolis Rd3:34 PM
  • Annapolis Rd / 85 Av3:36 PM
  • Annapolis Rd / Riverdale Rd3:37 PM
  • Annapolis Rd / #79903:37 PM
  • Annapolis Rd / W Lanham Dr3:38 PM
  • Harkins Rd / Annapolis Rd3:39 PM
  • Harkins Rd / W Lanham Dr3:39 PM
  • Harkins Rd / Ellin Rd3:40 PM
  • New Carrollton3:42 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 Greenbelt / Bay D at 2:50 PM, and arrives at New Carrollton at 3:42 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

    64 % on time

    64% of riders report that the Metrobus P21 bus arrived on time on their previous trip. In the past 30 days, 54 riders reported on the on-time performance of the P21 bus. Compared to other Metrobus lines, the P21 bus is ranked 96 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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