FEDERAL SHARE.

SEC. 117. FEDERAL SHARE. (a) Certain Highway Safety Construction Projects.—Section 120(d) of title 23, United States Code, is amended by inserting after “vanpooling” the following: “or for installation of traffic signs, highway lights, guardrails, or impact attenuators”. (b) Priority Primary Projects.—Section 120 of such title is amended by redesignating the second subsection (i) and subsections (j) and (k) (and any reference thereto) as subsections (j), (k), and (1), respectively, and in subsection (k) as so redesignated by striking out “97–61” and inserting in lieu thereof “100–3”. (c) Emergency Relief.— (1) In general.—The first sentence of subsection (f) of such section is amended to read as follows: “Emergency Relief.—The Federal share payable on account of any repair or reconstruction provided for by funds made available under section 125 of this title on account of any project on a Federal-aid highway system, including the Interstate System, shall not exceed the Federal share payable on a project on such system as provided in subsections (a) and (c) of this section; except that (1) the Federal share payable for eligible emergency repairs to minimize damage, protect facilities, or restore essential traffic accomplished within 90 days after the actual occurrence of the natural disaster or catastrophic failure may amount to 100 percent of the costs thereof; and (2) the Federal share payable on account of any repair or reconstruction of forest highways, forest development roads and trails, park roads and trails, parkways, public lands highways, public lands development roads and trails, and Indian reservation roads may amount to 100 percent of the cost thereof.”. (2) Applicability.—The amendment made by paragraph (1) shall apply to all natural disasters and catastrophic failures which occur after the date of the enactment of this Act. (d) Great River Road.—Such section 120 is amended— (1) in subsection (k), as redesignated by subsection (b), by striking out “, 148, and 155,” and inserting in lieu thereof “and 155”; and (2) by adding at the end thereof the following new subsection: 101 STAT. 156 “(m) Great River Road Projects.—Notwithstanding any other provision of this section, this title, or any other law, in any case where a State elects to use funds apportioned to it for any Federal-aid system for any project under section 148 of this title, the Federal share payable on account of such project shall be 95 percent of the cost thereof; except that if a State requests that the Federal share payable on account of such project be a percentage of the cost of such project which is less than 95 percent but not less than 75 percent, such percentage shall be the Federal share payable on account of such project.”. (e) Increased Non-Federal Share.—Such section 120 is further amended by adding at the end the following new subsection: “(n) Increased Non-Federal Share.—Notwithstanding any other provision of this title and subject to such criteria as the Secretary may establish, a State may contribute an amount in excess of the non-Federal share of a project under this title so as to decrease the Federal share payable on such project.”. (f) Incentive Program for the Use of Coal Ash.—Notwithstanding sections 119, 120, and 144 of title 23, United States Code, in each of fiscal years 1987, 1988, 1989, 1990, and 1991, the percentage specified in such sections as the Federal share of the cost payable on account of any highway or bridge construction project in which materials produced from coal ash are used in significant amounts shall be increased by adding 5 percent to such percentage; except that in no case shall the Federal share payable on account of any project exceed 95 percent of the cost of such project as a result of increasing such Federal share under this subsection.