822
PUBLIC LAW 90-495-AUG. 23, 1968
[82 STAT.
shall make a predetermination of the minimum wages to be paid laborers and mechanics in accordance with the provisions of subsection (a) of this section which shall be set out in each project advertisement for bids and in each bid proposal form and shall be made a part of the contract covering the project. "(c) The provisions of the section shall not be applicable to employment pursuant to apprenticeship and skill training programs which have been certified by the Secretary of Transportation as promoting equal employment opportunity in connection with Federal-aid highway construction p)rograms." (b) The analysis of chapter 1 of title 23, United States Code, is hereby amended by striking out "113. Prevailing rate of wage—Interstate System."
and inserting in lieu thereof: "113. Prevailing rate of vpage." H I G H W A Y SAFETY PROGRAM
80 Stat. 732.
SEC. 13. The fourth sentence of subsection (c) of section 402 of title £3 of the United States Code is amended by striking out "December 31, 1968" and inserting in lieu thereof "December 31, 1969", and the fifth sentence of such subsection is amended by striking out "January 1, 1969" and inserting in lieu thereof "January 1, 1970". I N T E R S T A T E SYSTEM ADJUSTMENTS
74 Stat. 415; n Stat. 772.
SEC. 14. (a) The first sentence of paragraph (1) of subsection (d) of section 103 of title 23, United States Code, is amended by inserting after the word "and" a comma and the following: "except as provided in paragraphs (2) and (3) of this subsection,". (b) Subsection (d) of section 103 of title 23, United States Code, is amended by adding at the end thereof the following new paragraph: "(3) I n addition to the mileage authorized by paragraphs (1) and (2) of this subsection, there is hereby authorized additional mileage of not to exceed 1,500 miles for the designation of routes in the same manner as set forth in paragraph (1), in order to improve the efficiency and service of the Interstate System to better accomplish the purposes of that System." PROHIBITION
72 Stat. 885.
OF I M P O U N D M E N T OF A P P O R T I O N M E N T S A N D DIVERSION OF F U N D S
SEC. 15. Section 101 of title 23, United States Code, is amended by adding at the end thereof the following new subsections: "(c) I t is the sense of Congress that under existing law no part of any sums authorized to be appropriated for expenditure upon any Federal-aid system which has been apportioned pursuant to the provisions of this title shall be impounded or withheld from obligation, for purposes and projects as provided in this title, by any officer or employee of any department, agency, or instrumentality of the executive branch of the Federal Government, except such specific sums as may be determined by the Secretary of the Treasury, after consultation with the Secretary of Transportation, are necessary to be withheld from obligation for specific periods of time to assure that sufficient amounts will be available in the highway trust fund to defray the expenditures which will be required to be made from such fund. " (d) I t is the sense of Congress that funds authorized to be appropriated from the Highway Trust Fund may be used to pay only those administrative expenses of the Federal Highway Administration (in-
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