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St. LouisMetroBus Missouri

MetroBus Missouri 21 bus

Watson Rd

54 % on time

MetroBus Missouri 21 bus Stop List and Next Departures

The MetroBus Missouri 21 - Watson Rd bus serves 31 bus stops in the St. Louis area departing from STLCC Meramec and ending at Shrewsbury-Lansdowne I-44 Transit Center. Scroll down to see upcoming 21 bus times at each stop and the next scheduled 21 bus times will be displayed. The full 21 bus schedule as well as real-time departures (if available) can be found in the Transit app.

Shrewsbury I-44 TC
Fenton
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Stops
Sat, Sep 27, 2025
  • STLCC MeramecWheelchair accessible3:33 PM
  • Big Bend / Maeville EBWheelchair accessible3:35 PM
  • Big Bend / Maryhurst EBNot wheelchair accessible3:35 PM
  • Kirkwood / Big Bend SBWheelchair accessible3:36 PM
  • Lindbergh / Kirkwood Crossing SBWheelchair accessible3:37 PM
  • Lindbergh / Sunset Office SBWheelchair accessible3:38 PM
  • 10216 Watson EBWheelchair accessible3:40 PM
  • Watson / Starling EBNot wheelchair accessible3:41 PM
  • Watson / Sturdy EBNot wheelchair accessible3:41 PM
  • 9834 Watson EBNot wheelchair accessible3:42 PM
  • Watson / Glenwood EBNot wheelchair accessible3:43 PM
  • Watson / New Sappington EBNot wheelchair accessible3:44 PM
  • Watson / Park Crestwood EBNot wheelchair accessible3:45 PM
  • 9206 Watson EBNot wheelchair accessible3:45 PM
  • Watson / Brookview EBWheelchair accessible3:45 PM
  • Watson / Grant EBNot wheelchair accessible3:46 PM
  • 8742 Watson EBWheelchair accessible3:47 PM
  • Watson / Rock Hill EBNot wheelchair accessible3:48 PM
  • Watson / General Grant EBNot wheelchair accessible3:48 PM
  • Watson / Cheshire EBNot wheelchair accessible3:49 PM
  • Watson / Edgar EBNot wheelchair accessible3:50 PM
  • 8086 Watson EBWheelchair accessible3:50 PM
  • Watson / Laclede Station Road EBWheelchair accessible3:51 PM
  • Watson / Aldershot EBNot wheelchair accessible3:51 PM
  • 7738 Watson EBNot wheelchair accessible3:52 PM
  • 7626 Watson EBNot wheelchair accessible3:53 PM
  • Watson / Trianon Parkway EBWheelchair accessible3:54 PM
  • Watson / Mackenzie Plaza Exit EBNot wheelchair accessible3:55 PM
  • Watson / Mackenzie EBNot wheelchair accessible3:56 PM
  • Watson / Weil EBNot wheelchair accessible3:57 PM
  • Shrewsbury-Lansdowne I-44 Transit CenterWheelchair accessible4:00 PM
  • MetroBus Missouri Watson Rd map

    MetroBus Missouri 21 bus route map

    The MetroBus Missouri 21 - Watson Rd bus route map is shown above. The route map shows you an overview of all the stops served by the MetroBus Missouri 21 bus to help you plan your trip on MetroBus Missouri. 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 21 bus is approaching your stop.

    See the detailed route map

    MetroBus Missouri 21 bus Service Alerts

    Open the Transit app to see more information about any active disruptions that may impact the 21 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 Missouri so that you can plan your trip around any active or future disruptions.

    See all alerts

    MetroBus Missouri 21 bus Service Frequency

    The next 21 bus leaves STLCC Meramec at 3:33 PM, and arrives at Shrewsbury-Lansdowne I-44 Transit Center at 4:00 PM. You can see the frequency of upcoming trips and the exact departure times by opening the Transit app.

    See all departures

    MetroBus Missouri 21 bus On-Time Performance

    54 % on time

    54% of riders report that the MetroBus Missouri 21 bus arrived on time on their previous trip. In the past 30 days, 58 riders reported on the on-time performance of the 21 bus. Compared to other MetroBus Missouri lines, the 21 bus is ranked 45 out of 49 MetroBus Missouri lines. These on-time performance stats are user reported and may differ from official MetroBus Missouri metrics. See more details about on time, late or early departure reports for the 21 by opening the Transit app.

    See all on-time perfomance details

    MetroBus Missouri 21 bus FAQ

    Other MetroBus Missouri bus schedules, routes and maps

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