<page_title> Independent Subway System </page_title> <section_title> Service letters </section_title> <table> <cell> AA <col_header>  </col_header> </cell> <cell> Washington Heights Local <col_header> Line </col_header> </cell> <cell> 168th Street – Hudson Terminal (via Eighth Avenue) <col_header> Routing </col_header> </cell> </table>
The AA Washington Heights Local provided service between 168th Street and the Hudson Terminal via the Eighth Avenue Line.