Officially, I-190 from I-90 north to New York State Route 384 (NY 384) is named the Niagara Thruway and is part of the New York State Thruway system. The remainder, from NY 384 to Lewiston, is known as the Niagara Expressway and is maintained by the New York State Department of Transportation. I-190 is the only three-digit Interstate Highway to reach the Canada–US border, and one of only two to connect to an international border, the other being Interstate 110 in Texas.