It enters Fulton as a four-lane undivided highway, but gradually narrows to two lanes as it heads through the northern portion of the city. North of Fulton, NY 481 becomes a four-lane divided highway and proceeds to the outskirts of Oswego, where it reverts into a two-lane roadway.
The road starts as a four-lane undivided highway in Fulton, but narrows to two lanes as it travels through the northern part of the city. North of Fulton, NY 481 becomes a four-lane divided highway and then transitions back to a two-lane roadway near Oswego.