Phone buried in your pocket? 🖥️ Plan a trip on our website instead
Washington D.C.Metrobus

Metrobus P21 bus

Previously G12

Hanover Pkwy-New Carrollton

70 % 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 Station. 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.

See more departures
Stops
Thu, Sep 18, 2025
  • Greenbelt / Bay D1:20 PM
  • Greenbelt Metro Dr / Cherrywood Ln1:22 PM
  • Cherrywood Ln / Ivy Ln1:23 PM
  • Ivy Ln / 63031:23 PM
  • Ivy Ln / Crowne Plaza1:24 PM
  • Ivy Ln / Turner Pl1:24 PM
  • Ridge Rd / Ivy Ln1:25 PM
  • Ivy Ln / Lastner Ln1:26 PM
  • Lastner Ln / Julien Ct1:27 PM
  • Ridge Rd / 73 Ct1:28 PM
  • Ridge Rd / Research Rd1:29 PM
  • Ridge Rd / Laurel Hill Rd1:29 PM
  • Ridge Rd / #57 Court1:30 PM
  • Ridge Rd / Plateau Pl1:30 PM
  • Ridge Rd / Northway1:31 PM
  • Ridge Rd / Eastway1:31 PM
  • Ridge Rd / 35 Ct1:32 PM
  • Ridge Rd / 33 Ct1:32 PM
  • Ridge Rd / Gardenway1:32 PM
  • Crescent Rd / Gardenway1:33 PM
  • Southway / Crescent Rd1:34 PM
  • Ridge Rd / 12 Ct1:35 PM
  • Westway / Ridge Rd1:35 PM
  • Lakeside Dr / Westway1:36 PM
  • Lakeside Dr / Lakecrest Dr1:36 PM
  • Lakecrest Dr / Legion Dr1:37 PM
  • Greenbelt Rd / Greenway Ctr1:39 PM
  • Hanover Pkwy / Greenbelt Rd1:40 PM
  • Hanover Pkwy / #77161:41 PM
  • Hanover Pkwy / #78001:42 PM
  • Hanover Pkwy / Mandan Rd1:43 PM
  • Mandan Rd / #76481:43 PM
  • Mandan Rd / #75161:44 PM
  • Mandan Rd / #75011:45 PM
  • Mandan Rd / Court #71:45 PM
  • Ora Glen Dr / Mandan Rd1:46 PM
  • Ora Glen Dr / Morrison Dr1:46 PM
  • Ora Glen Dr / Wintergreen Ct1:47 PM
  • Ora Glen Dr / Ora Ct1:48 PM
  • Hanover Pkwy / Greenway Center Dr1:48 PM
  • Hanover Pkwy / Hanover Dr1:49 PM
  • Hanover Pkwy / Greenbrook Dr1:49 PM
  • Hanover Pkwy / Hunting Ridge1:50 PM
  • Hanover Pkwy / Village Park Dr1:51 PM
  • Hanover Pkwy / Megan Ln1:52 PM
  • Hanover Pkwy / Spring Manor Dr1:52 PM
  • Hanover Pkwy / Green Crescent Ct1:52 PM
  • Doctors Hospital Rdwy / Bus Shelter1:53 PM
  • Princess Garden Pkwy / Greenfield Dr1:55 PM
  • Princess Garden Pkwy / #65121:55 PM
  • Princess Garden Pkwy / Woodburn Ct1:56 PM
  • Princess Garden Pkwy / Hickory Hill Av1:57 PM
  • Princess Garden Pkwy / City Hall1:58 PM
  • Princess Garden Pkwy / Annapolis Rd1:59 PM
  • Annapolis Rd / 85 Av2:01 PM
  • Annapolis Rd / Riverdale Rd2:02 PM
  • Annapolis Rd / #79902:02 PM
  • Annapolis Rd / W Lanham Dr2:03 PM
  • Harkins Rd / Annapolis Rd2:04 PM
  • Harkins Rd / W Lanham Dr2:04 PM
  • Harkins Rd / Ellin Rd2:05 PM
  • New Carrollton Station2:07 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 1:20 PM, and arrives at New Carrollton Station at 2:07 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

    70 % on time

    70% of riders report that the Metrobus P21 bus arrived on time on their previous trip. In the past 30 days, 51 riders reported on the on-time performance of the P21 bus. Compared to other Metrobus lines, the P21 bus is ranked 52 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

    Never miss the bus again. Download Transit.