(abbreviated '''I-190''') runs 28.34 miles (45.61 km) from
I-90 near
Buffalo, New York to
Lewiston, New York via
Niagara Falls . The first 21.24 miles (34.18 km) are the tolled '''Niagara Thruway''', part of the
New York State Thruway system; parts were built on former
Lehigh Valley Railroad and
Erie Canal Rights-of-way . The rest is the '''Niagara Expressway'''.
It is the only
Three-digit Interstate Highway to reach the
Canada -
United States border; it continues across the
Queenston-Lewiston Bridge and into
Ontario as
Highway 405 , a short freeway spur to the
Queen Elizabeth Way . The interstate also has an interchange leading to the
Peace Bridge , which also crosses the international border and becomes
Queen Elizabeth Way on the Canadian side.
In 1957, the route was assigned the number , as intercity routes were numbered before the
Three-digit Interstate s were assigned to the shorter intracity routes. It was soon renumbered to I-190, possibly with the final numbering in 1959.
Shields are shown at intersections with other Interstates.
