for Research and Technology of the Department of Transportation. National infrastructure investments For capital investments in surface transportation infrastructure, $750,000,000, to remain available through September 30, 2021: Provided , That the Secretary of Transportation shall distribute funds provided under this heading as discretionary grants to be awarded to a State, local government, transit agency, port authority, or a collaboration among such entities on a competitive basis for projects that will have a significant local or regional impact: Provided further , That projects eligible for funding provided under this heading shall include, but not be limited to, highway or bridge projects eligible under title 23, United States Code