New York State Route 48 (NY 48) is a north–south state highway in Central New York in the United States. The southern terminus of the route is located at Interstate 690 (I-690) exit 3 near the interchange between I-690 and the New York State Thruway (I-90) in Van Buren, northwest of Syracuse. The northern terminus is located at an intersection with NY 104 in Oswego. In between, NY 48 passes through the riverside communities of Baldwinsville and Fulton and runs alongside both the Seneca River and Oswego River. For most of its route, NY 48 serves as an alternate route of NY 481. The routes share similar alignments along the Oswego River from the Syracuse area to Oswego, with NY 481 following the eastern riverbank between the two locations. When the route was originally assigned as part of the 1930 renumbering of state highways in New York, it extended southward into downtown Syracuse. NY 48 was truncated to Van Buren after I-690 was built over portions of the road in the late 1950s and early 1960s. The portion of former NY 48 that was not supplanted by I-690 was turned over to Onondaga County; however, the state reacquired the segment adjacent to the New York State Fairgrounds in 1980. Around 1931, a suffixed spur of NY 48, New York State Route 48A was designated as an alternate from Oswego to the town of Minetto. The route was deleted from the state highway system around 1940. Route description NY 48 begins at I-690 exit 3 just west of the Geddes town line in Van Buren, Onondaga County. Known as State Fair Boulevard, it proceeds west-northwest, paralleling both NY 690 (the northward continuation of I-690) and the Seneca River as it passes south of the Seneca Golf Club and Community Park. Shortly after passing the park, NY 48 enters the village of Baldwinsville on Syracuse Street and intersects Downer Street, the former routing of NY 31 west of the village. Originally, NY 31 overlapped NY 48 across the Seneca River (here part of the Erie Canal) to Genesee Street; now, however, NY 48 continues alone to Genesee, where it intersects the modern routing of NY 31 (concurrent with NY 370) through Baldwinsville. North of NY 31 and NY 370, NY 48 becomes Oswego Street and turns northwest before traveling south of Lysander Park as it exits the village and becomes Oswego Road.