The authority shall have power and is hereby authorized:
One or more bridges across the westerly or Canadian channel of the Saint Lawrence river at a point at or near Ivy Lea in the county of Leeds, in the province of Ontario, from the mainland to Hill island.
One or more bridges across the International rift from a point on such Wellesley or Wells island to such Hill island.
One or more roads on such Wellesley or Wells island connecting any bridge across the American channel with any bridge across the International rift.
One or more roads on such Hill island connecting any bridge across the Canadian channel with any bridge across the International rift.
The approach roads connecting any of such bridges and tunnels with the state highway system in New York and with the nearest highway in the province of Ontario.
Any road connecting any of its facilities with any other or with any state, county or town road, or any public highway, or any road providing access for vehicles or pedestrians from one part of its real property to another;
N.Y. Pub. Auth. Law § 578