Route 21 (MTA Maryland)

Route 21
Overview
SystemMaryland Transit Administration
GarageEastern
Statusactive
Began service1938
Route
LocaleBaltimore City
Communities servedSandtown-Winchester
Upton
Landmarks servedJohns Hopkins Hospital
Sojourner Douglas College
Other routes1, 3, 5, 7, 8, 10, 11, 13, 15, 16, 19, 20, 22, 23, 27, 30, 35, 36, qb40, qb46, qb47, qb48, 51, 52, 53, 54, 61, 64, 91, 97
Service
LevelDaily
FrequencyEvery 30 minutes
Every 20 minutes (peak)
Weekend frequencyEvery 60 minutes
Operates5:00 am to 1:00 am [1]

Route 21 is a bus route operated by the Maryland Transit Administration in Baltimore. The line currently runs from the Mondawmin Metro Subway Station to Fells Point, serving the corridors of Gilmor Street, Preston/Biddle Streets, and Caroline Street, and the communities of Sandtown-Winchester, Mt. Royal, and Butcher's Hill. The bus route is the successor to the 21 Preston Street–Caroline Street and Dolphin Street streetcar lines.