1. Short title This Act may be cited as the National Intersection and Interchange Safety Construction Program Act of 2017 . 2. National Intersection and Interchange Safety Construction Program (a) Establishment Not later than 180 days after the date of enactment of this Act, the Secretary of Transportation shall establish a national intersection and interchange safety construction program (in this section referred to as the Program ) to assist safety improvements for high-risk intersections and interchanges. (b) Grant authority (1) In general In carrying out the Program, the Secretary may make a grant to a covered entity in accordance with this section. (2) Competitive basis The Secretary shall award grants under the Program on a competitive basis. (c) Project requirements The Secretary may only make a grant under the Program to assist a project that— (1) is eligible for funding under title 23, United States Code; and (2) will improve the safety of an intersection or interchange that is— (A) on the National Highway System; (B) used by an average of 50,000 vehicles a day