New York Consolidated Laws, Transportation Law - TRA § 300. Declaration of policy

In order to assure effective discharge of state responsibility with respect to the provision of adequate mass transportation services to the inhabitants of the State, the department may enter into an agreement with any municipal corporation to pay on behalf of the State a share of the project cost of any municipal project undertaken in accordance with the provisions of any federal grant or project approval received from the Federal Urban Mass Transportation Administration or the Federal Highway Administration.

The state share of a municipal project undertaken with federal assistance from the Federal Urban Mass Transportation Administration or the Federal Highway Administration may be fifteen percent of the project cost.

In the event a municipal propect   1 is undertaken with federal assistance as authorized by the Federal Aid Highway Act of 1973   2, and the federal assistance provided is less than eighty percent of the project cost, the state share may be increased by an amount equivalent to the difference between the federal assistance received and eighty percent of the project cost provided, however, that the maximum state share of any municipal project shall not exceed twenty-five percent of the project cost.