Roosevelt Raceway
...that Roosevelt Raceway, the first night-time harness racing track, saw the first mobile starting gate?
...that <b id="mwBkw"><a class="mw-redirect" href="./Roosevelt_Raceway_(harness_racing)" id="mwBk0" rel="mw:WikiLink" title="Roosevelt Raceway (harness racing)">Roosevelt Raceway</a></b>, the first night-time <a href="./Harness_racing" id="mwBk4" rel="mw:WikiLink" title="Harness racing">harness racing</a> track, saw the first <a class="mw-redirect" href="./Starting_barrier#Harness_racing" id="mwBk8" rel="mw:WikiLink" title="Starting barrier">mobile starting gate</a>?