<page_title> Transport in the United Kingdom </page_title> <section_title> Trams and light rail </section_title> <table> <cell> London <col_header> Primary location </col_header> </cell> <cell> Docklands Light Railway <col_header> System </col_header> </cell> <cell> 1987 <col_header> Date opened </col_header> </cell> </table>
Transport system in London is the Docklands Light Railway which was opened in 1987.