Aqueduct Racetrack
... that you can go directly from Aqueduct Racetrack to Manhattan, but not directly back?
... that you can go directly from <b id="mwBzs"><a class="mw-redirect" href="./Aqueduct_Racetrack_(IND_Rockaway_Line)" id="mwBzw" rel="mw:WikiLink" title="Aqueduct Racetrack (IND Rockaway Line)">Aqueduct Racetrack</a></b> to <a href="./Manhattan" id="mwBz0" rel="mw:WikiLink" title="Manhattan">Manhattan</a>, but not directly back?