New York State Route 198 (NY 198) is a state highway located entirely within the city of Buffalo, New York, in the United States. It is named the Scajaquada Expressway for Scajaquada Creek, which it covers over as it heads across northern Buffalo. NY 198 connects the Niagara Thruway (Interstate 190 or I-190) in the Black Rock neighborhood to the Kensington Expressway (NY 33) on Buffalo's east side, dividing the city's premier public park in half.