A plaque , or a type of sign , was made in November 1922 at the Beekman Arms Inn . The sign marked the crossing of the Kings Highway ( now called US 9 ) and the Ulster and Salisbury Turnpike . A bronze plaque attached to a large boulder was erected in November 1922 by Chancellor Livingston Chapter of the Daughters of the American Revolution on the property of the Beekman Arms , that marked the crossing of the Kings Highway ( present-day US 9 ) and the Ulster and Salisbury Turnpike .