New York State Route 20SY
...that New York State Route 20SY is the only route in the state to have ever had the "SY" suffix?
...that <b id="mwCe8"><a href="./New_York_State_Route_20SY" id="mwCfA" rel="mw:WikiLink" title="New York State Route 20SY">New York State Route 20SY</a></b> is the only route in the state to have ever had the "SY" suffix?