<page_title> Transportation in Philadelphia </page_title> <section_title> Frequent service routes </section_title> <table> <cell> Keystone Service <col_header> Train </col_header> </cell> <cell> Philadelphia <col_header> Train </col_header> </cell> <cell> Harrisburg <col_header> Terminals </col_header> </cell> </table>
Keystone Service travels between Harrisburg and Philadelphia.