now in the town of de witt, ny 20n and ny 173 met the northern terminus of ny 91 in the hamlet of jamesville. the overlap between ny 20n and ny 173 ended to the east in the village of manlius, where ny 92 and ny 20sy joined both routes just west of where ny 173 split from ny 20n and continued to the east. outside of manlius, ny 20n, ny 20sy and ny 92 headed southeast for to cazenovia, where all three routes ended at us 20 adjacent to cazenovia lake and west of the village.