Upon crossing the Delaware and Raritan Canal , Route 29 narrows down to a two @-@ lane undivided road called River Road . It continues along the Delaware River , next to the Delaware and Raritan Canal , which runs between Route 29 and the river . The route intersects the northern terminus of Route 175 . Farther north , Route 29 enters Hopewell Township and continues into a more rural setting shaded with trees . Route 29 heads to Washington Crossing State Park , where it intersects County Route 546 , which heads east on Washington Crossing @-@ Pennington Road , and the approach to the Washington Crossing Bridge , which continues into Pennsylvania as Pennsylvania Route 532 . Route 29 continues north along the Delaware River through Titusville , passing by Washington Crossing State Park .