 | An editor has determined that sufficient sources exist to establish the subject's notability.(September 2025) |
bx21 | |||
|---|---|---|---|
| Boston Rd/Morris Park Av | |||
 | |||
 A 2011 C40LF (314) on the Bx21 at Boston Rd/E 169th St | |||
| Overview | |||
| System | MTA Regional Bus Operations | ||
| Operator | Manhattan and Bronx Surface Transit Operating Authority | ||
| Garage | West Farms Depot | ||
| Vehicle | Main vehicles:
Supplemental service: | ||
| Began service | 1948 | ||
| Route | |||
| Locale | The Bronx, New York, U.S. | ||
| Communities served | Mott Haven, Melrose, Morrisania, East Tremont, West Farms, Morris Park, Van Nest, Westchester Square | ||
| Start | Mott Haven - East 138th Street and Lincoln Avenue | ||
| Via | Third Avenue, Boston Road, Morris Park Avenue | ||
| End | Westchester Square–East Tremont Avenue station | ||
| Length | 7.3 miles (11.8 km) | ||
| Service | |||
| Operates | 24 hours | ||
| Ridership | 4,175,053 (2017) | ||
| Transfers | Yes | ||
| Timetable | Bx21 | ||
| Map | Bx21 Route profile | ||
| |||
The Bx21 constitutes a public transit line in New York City. It operates within the borough of the Bronx between Mott Haven and Westchester Square and runs primarily along Third Avenue, Boston Road, and Morris Park Avenue.