1995—Pub. L. 104–59 amended section generally, substituting present provisions for provisions which authorized States to use portion of Federal highway payments to retire principal of bonds proceeds of which were used for certain Federal highway projects.

1987—Pub. L. 100–17 inserted “or for substitute highway projects approved under section 103(e)(4) of this title” before “and the retirement” in first sentence.

1983—Pub. L. 97–424 inserted “or for substitute highway projects approved under section 103(e)(4) of this title,” after “highway systems in urban areas,” and “or on highway projects approved under section 103(e)(4) of this title” after “expenditure on such system”.

1978—Pub. L. 95–599 inserted provisions relating to the retirement of bonds the proceeds of which were used for program projects, provisions that section was not to be construed as a commitment on the part of the United States to pay the principal of any such bonds, and provisions prohibiting inclusion of interest and incidental costs of bonds in estimated cost of completion.

Pub. L. 95–599, title I, § 115(c), Nov. 6, 1978, 92 Stat. 2698, provided that: “No interest shall be paid under authority of section 122 of title 23, United States Code, on any bonds issued prior to the date of enactment of this Act [Nov. 6, 1978], unless such bonds were issued for projects which were under construction on January 1, 1978. Interest on bonds issued in any fiscal year by a State after the date of enactment of this Act may be paid under authority of section 122 of title 23, United States Code, only if (1) such State was eligible to obligate funds of another State under subsection (a) of this section during such fiscal year and (2) the Secretary of Transportation certifies that such eligible State utilized, or will utilize, to the fullest extent possible during such fiscal year its authority to obligate funds under such subsection (a) of this section [amending section 118(b) of this title]. No interest shall be paid under section 122 of title 23, United States Code, on that part of the proceeds of bonds issued after the date of enactment of this Act used to retire or otherwise refinance bonds issued prior to such date.”