Outside of Baldwinsville, NY 31 remained on its current routing to what is now NY 316 in Lenox, from where NY 31 continued to NY 5 in Oneida on modern NY 316 and NY 46.
Outside of Baldwinsville, NY 31 remained on its current routing to Cicero, where it followed a more northerly alignment along Lakeshore Road. From here, NY 31 went southeastward to NY 5 in Oneida by way of modern NY 316 and NY 46.