# List of streetcar lines in the Bronx

The following streetcar lines once operated in the Bronx, New York City, New York, United States. Every line in the Bronx eventually came under control of the Third Avenue Railway.
| Name | From | To | Major streets | Abandoned | Notes |
| A Westchester Avenue Line | The Hub | Westchester Square | Westchester Avenue | July 10, 1948 | now the Bx4 (formerly Bx42) bus |
| B Bailey Avenue Line | Kingsbridge | Fordham | Bailey Avenue and Fordham Road | June 27, 1948 | converted to the former Bx24 bus. Bx1 and Bx10 now covers all of Bailey Avenue |
| B Boston Road Line | Mott Haven | Morris Park | 3rd Avenue, Boston Road, and Morris Park Avenue | August 21, 1948 | now the Bx21 (formerly Bx26) bus |
| C Bronx and Van Cortlandt Parks Crosstown Line | Riverdale (city line) | West Farms Square | Broadway, Kingsbridge Road, Fordham Road, Southern Boulevard, 180th Street, and Boston Road | January 24, 1948 | now the Bx9 (formerly Bx20) bus |
| City Island Line | Pelham Bay Park station on the Hell Gate Line | City Island | Orchard Beach Road and City Island Avenue | August 8, 1919 | Replaced in 1990 by the Bx29 bus |
| D Dyre Avenue Line | Eastchester | Eastchester | Dyre Avenue | June 28, 1938 | remnant of the Fifth Avenue Line in Mount Vernon, Westchester County |
| Fordham and Woodlawn Line | East Harlem, Manhattan | Woodlawn | 3rd Avenue, Fordham Road, Webster Avenue, and Gun Hill Road | July 1, 1918 | |
| Jerome Avenue Line | Washington Heights, Manhattan | Woodlawn (city line) | 155th Street and Jerome Avenue | September 4, 1921 | |
| L St. Ann's Avenue Line | Mott Haven | Morrisania | St. Ann's Avenue | July 10, 1948 | converted to the former Bx32 bus, discontinued in 1984. |
| M Morris Avenue Line | Mott Haven | Morrisania | Lincoln Avenue and Morris Avenue | January 1, 1941 | now the Bx32 (formerly Bx25) bus |
| O Ogden Avenue Line | Washington Heights, Manhattan | Washington Heights, Manhattan | 155th Street, Ogden Avenue, and 181st Street | October 25, 1947 | now the Bx13 (formerly Bx37) bus |
| P Pelham Bay Park Line | Westchester Square | Pelham Bay Park | Westchester Avenue | August 17, 1940 | now the Bx24 (Bx14 before June 27, 2010; formerly Bx22). |
| Randall Avenue Line | unknown | Hunts Point? | Randall Avenue | July 15, 1921 | |
| S Harlem Shuttle | East Harlem, Manhattan | Mott Haven | 3rd Avenue | August 5, 1941 | |
| S Sedgwick Avenue Line | Morrisania | East Tremont | 161st Street, Sedgwick Avenue, Burnside Avenue, Tremont Avenue | September 8, 1921 south of West Tremont Avenue (Morris Heights) June 27, 1948 east of West Tremont Avenue | became the Bx39 Sedgwick bus and Bx49 Highbridge bus, but no longer a bus route |
| S Southern Boulevard Line | Mott Haven | Belmont | Bruckner Boulevard and Southern Boulevard | August 21, 1948 | now the Bx19 (formerly Bx31) bus |
| T Tremont Avenue Line | Morris Heights | Throgs Neck | Burnside Avenue and Tremont Avenue | August 21, 1948 | now the Bx40 and Bx42 buses |
| U University Avenue Line | Washington Heights, Manhattan | Kingsbridge | 181st Street, University Avenue, and Kingsbridge Road | October 25, 1947 | now the Bx3 (formerly Bx38) bus |
| V Sound View Avenue Line | Hunts Point | Clasons Point | Westchester Avenue and Sound View Avenue | March 8, 1947 | now the Bx27 bus |
| V Williamsbridge Line | East Tremont | Wakefield (city line) | Tremont Avenue, Morris Park Avenue, and White Plains Road | August 21, 1948 | now the Bx39 (formerly Bx28) bus |
| W Webster and White Plains Avenues Line | The Hub | Wakefield (city line) | Melrose Avenue, Webster Avenue, Gun Hill Road, and White Plains Road | June 27, 1948 | now the Bx41 bus |
| W Willis Avenue Line | West 130th Street Ferry, Manhattan | Woodlawn (city line) | 125th Street, Willis Avenue, Third Avenue, Fordham Road, Webster Avenue | August 18, 1935 north of Fordham Road August 5, 1941 south of Fordham Road | now the Bx15 (formerly Bx29) bus |
| X 138th Street Crosstown Line | Harlem, Manhattan | Port Morris | 135th Street, Madison Avenue, and 138th Street | July 10, 1948 | now the Bx33 bus |
| X 149th Street Crosstown Line | Harlem, Manhattan | Hunts Point | 145th Street and 149th Street | August 16, 1947 | now the Bx19 (formerly Bx30) bus |
| X 163rd Street Crosstown Line | Washington Heights, Manhattan | Hunts Point | 155th Street, 161st Street, 163rd Street, and Hunts Point Avenue | June 27, 1948 | now the Bx6 (formerly Bx34) bus |
| X 167th Street Crosstown Line | Washington Heights, Manhattan | Hunts Point | 181st Street, 167th Street, 168th Street, and 169th Street | July 10, 1948 | now the Bx35 bus |
| X 207th Street Crosstown Line | Inwood, Manhattan | Belmont | 207th Street and Fordham Road | January 24, 1948 | formerly Bx19, but now part of the Bx12 bus |
| Z 180th Street Crosstown Line | Washington Heights, Manhattan | Unionport | 181st Street, University Avenue, Tremont Avenue, Webster Avenue, 180th Street, Boston Road, and 177th Street | October 25, 1947 | now the Bx36, Bx40 and Bx42 buses |