Just after the junction with Fifth Avenue, a thousand feet past the lake, the route crosses over Interstate 84 at that route's exit 37. Just after the overpass, NY 52 turns eastward down the onramp and merges with the interstate. The four-lane expressway is the only section of NY 52 not to be a two-lane surface road, and is its last and longest concurrency. The two routes follow the northern border of the city of Newburgh northeast and then east. At Exit 39, a mile and a half (2.4 km) from the merger, US 9W (Albany Post Road north of the exit, North Robinson Avenue south of it) and NY 32 intersect just south of the end of their overlap. NY 32 follows North Plank Road as it turns inland towards New Paltz, while US 9W continues to parallel the river north to Marlboro and Highland.