award under this heading is an urban award if it is to a project located within or on the boundary of an urbanized area, as designated by the Bureau of the Census, that had a population greater than 250,000 in the 2010 decennial census: Provided further , That for the purpose of determining if an award for planning, preparation, or design is an urban award, the project location is the location of the project being planned, prepared, or designed: Provided further , That each award under this heading that is not an urban award is a rural award: Provided further , That of the amounts awarded under this heading, 60 percent shall be awarded as urban awards and 40 percent shall be awarded as rural awards: Provided further , That for rural awards, the minimum grant size shall be $1,000,000 and the Secretary may increase the Federal share of costs above 80 percent: Provided further , That projects conducted using amounts made available under this heading shall comply with the requirements of subchapter IV of chapter 31 of title 40, United States Code: Provided further , That the Secretary shall conduct a new competition to select the grants and credit assistance awarded under this heading: Provided further , That the Secretary may retain up to $25,000,000 of the amounts made available under this heading, and may transfer portions of such amounts to the Administrators of the Federal Highway Administration, the Federal Transit Administration, the Federal Railroad Administration, and the Maritime Administration to fund the award and oversight of grants and credit assistance made under the national infrastructure investments program: Provided further , That the Secretary shall consider and award projects based solely on the selection criteria from the fiscal year 2017 Notice of Funding Opportunity: Provided further , That, notwithstanding the preceding proviso, the Secretary shall not use the Federal share or an applicant’s ability to generate non-Federal revenue as a selection criteria in awarding projects: Provided