 Near the north edge of the swamp, the freeway passes over the St. Lawrence Subdivision, a CSX Transportation rail line linking Syracuse to the North Country.Past the swamp, NY 481 serves more developed areas of the town, running alongside a cluster of housing tracts on the outskirts of a large retail area centered around the highway's junction with NY 31.The commercial district comprises several strip malls and the Great Northern Mall, the latter situated northeast of the NY 31 interchange.