The following highways are numbered 38A:
New York State Route 359 (NY 359) is a state highway located entirely within the town of Skaneateles in Onondaga County, New York in the United States. At 1.71 miles (2.75 km) in length, it is one of the shortest signed state highways in all of New York. The route begins at NY 38A a half-mile (0.8 km) north of the Onondaga-Cayuga County county line and ends at NY 41A in the hamlet of Mandana. It lies between Skaneateles Lake and Owasco Lake. Excluding its termini, there are only two junctions with other roadways along the entire route. NY 359 was assigned in the early 1940s and was part of the original NY 26 from 1924 to 1930.
New York State Route 437 (NY 437) is a state highway located south of Auburn in Cayuga County, New York, in the United States. At 0.30 miles (0.48 km) in length, it is the shortest signed state route in New York. It is a brief connector route between NY 38 and NY 38A known locally as White Bridge Road. The highway allows motorists, especially those wanting quick access to the opposite side of nearby Owasco Lake, to avoid having to cross the Owasco Outlet further downstream, in the city. NY 437 was assigned in 1970; however, the designation had appeared on maps of the area as early as two decades before.
New York State Route 38A (NY 38A) is a north–south state highway located within Onondaga and Cayuga counties in central New York in the United States. The southern terminus of the route is at an intersection with NY 38 in the village of Moravia. Its northern terminus is at a junction with U.S. Route 20 (US 20) and NY 5 in downtown Auburn. Much of NY 38A runs through rural, undeveloped areas situated between Owasco Lake and Skaneateles Lake.