==History of lines== 
 *Fordham and Woodlawn Line: first street railway in the Bronx (Harlem Bridge, Morrisiana and Fordham Railway); from Harlem Bridge to Fordham Road by 1879 
 *Boston Road Line: to West Farms (Tremont Avenue) by 1879; to Bronx Park along Boston Road by 1891 
 *Southern Boulevard Line: Third Avenue (directly) to Boston Road by 1891 
 *138th Street Crosstown Line: Third Avenue to East River by 1891; tracks also on Madison Avenue and over the bridge but not on the Bronx side or on 135th Street in Manhattan 
 *Lincoln Avenue: Harlem River (132nd Street) to 138th Street by 1891