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St. LouisMetroBus Missouri

MetroBus Missouri 21 bus

Watson Rd

73 % 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
STLCC Meramec
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Stops
Fri, Aug 15, 2025
  • STLCC MeramecWheelchair accessible4:11 PM
  • Big Bend / Maeville EBWheelchair accessible4:13 PM
  • Big Bend / Maryhurst EBNot wheelchair accessible4:14 PM
  • Kirkwood / Big Bend SBWheelchair accessible4:15 PM
  • Lindbergh / Kirkwood Crossing SBWheelchair accessible4:15 PM
  • Lindbergh / Sunset Office SBWheelchair accessible4:17 PM
  • 10216 Watson EBWheelchair accessible4:19 PM
  • Watson / Starling EBNot wheelchair accessible4:19 PM
  • Watson / Sturdy EBNot wheelchair accessible4:20 PM
  • 9834 Watson EBNot wheelchair accessible4:21 PM
  • Watson / Glenwood EBNot wheelchair accessible4:22 PM
  • Watson / New Sappington EBNot wheelchair accessible4:23 PM
  • Watson / Park Crestwood EBNot wheelchair accessible4:24 PM
  • 9206 Watson EBNot wheelchair accessible4:24 PM
  • Watson / Brookview EBWheelchair accessible4:25 PM
  • Watson / Grant EBNot wheelchair accessible4:26 PM
  • 8742 Watson EBWheelchair accessible4:26 PM
  • Watson / Rock Hill EBNot wheelchair accessible4:27 PM
  • Watson / General Grant EBNot wheelchair accessible4:28 PM
  • Watson / Cheshire EBNot wheelchair accessible4:28 PM
  • Watson / Edgar EBNot wheelchair accessible4:29 PM
  • 8086 Watson EBWheelchair accessible4:30 PM
  • Watson / Laclede Station Road EBWheelchair accessible4:30 PM
  • Watson / Aldershot EBNot wheelchair accessible4:31 PM
  • 7738 Watson EBNot wheelchair accessible4:32 PM
  • 7626 Watson EBNot wheelchair accessible4:33 PM
  • Watson / Trianon Parkway EBWheelchair accessible4:34 PM
  • Watson / Mackenzie Plaza Exit EBNot wheelchair accessible4:35 PM
  • Watson / Mackenzie EBNot wheelchair accessible4:36 PM
  • Watson / Weil EBNot wheelchair accessible4:37 PM
  • Shrewsbury-Lansdowne I-44 Transit CenterWheelchair accessible4:40 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 4:11 PM, and arrives at Shrewsbury-Lansdowne I-44 Transit Center at 4:40 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

    73 % on time

    73% of riders report that the MetroBus Missouri 21 bus arrived on time on their previous trip. In the past 30 days, 52 riders reported on the on-time performance of the 21 bus. Compared to other MetroBus Missouri lines, the 21 bus is ranked 16 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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