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In 1957, the line was extended along Carey Street to the current loop at
Cumberland and Carey Streets. The line did not have any routing changes until February 8, 2009, when it was extended north to the
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in 1895 as a streetcar line along
Preston and Caroline Streets. In 1938, the line was converted to a rubber tire bus service.
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Please help update this article to reflect recent events or newly available information.
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Parts of this article (those related to
BaltimoreLink Bus Route Changes) need to be
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http://mta.maryland.gov/sites/default/files/21pdf.pdf
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413:1929 Baltimore Streetcar map, provided by
700:Transportation at Johns Hopkins Hospital
369:. The bus route is the successor to the
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333:. The line currently runs from the
441:"Route Listings 1900-2000 {20-29}"
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371:21 Preston Street–Caroline Street
664:William Donald Schaefer Building
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705:1938 establishments in Maryland
507:Maryland Transit Administration
327:Maryland Transit Administration
81:Maryland Transit Administration
398:Mondawmin Metro Subway Station
335:Mondawmin Metro Subway Station
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341:, serving the corridors of
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16:Bus route in Maryland, USA
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296:Every 20 minutes (peak)
142:Johns Hopkins Hospital
312:5:00 am to 1:00 am
402:Pennsylvania Avenue
359:Sandtown-Winchester
128:Sandtown-Winchester
514:Rapid rail transit
124:Communities served
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301:Weekend frequency
294:Every 30 minutes
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138:Landmarks served
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638:Commuter Bus
621:Bus services
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449:. Retrieved
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152:Other routes
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598:Camden Line
562:Purple Line
390:electrified
339:Fells Point
689:Categories
451:2009-03-18
408:References
659:CharmCard
589:Penn Line
363:Mt. Royal
331:Baltimore
323:bus route
291:Frequency
44:June 2017
319:Route 21
309:Operates
72:Overview
58:Route 21
675:Italics
466:"Title"
384:History
347:Preston
278:Service
90:Eastern
34:updated
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365:, and
353:, and
116:Locale
98:active
95:Status
87:Garage
77:System
321:is a
286:Daily
283:Level
132:Upton
111:Route
373:and
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
