A bill to authorize additional expenditures for highway emergency relief programs and to amend provisions of Title 23 of the United States Code relating thereto.

Increases the Federal share of highway repair or reconstruction costs, including for emergency repairs necessitated by a natural disaster or catastrophic failure. Repeals the provision for an increased Federal share based on the amount of nontaxable Indian or public lands in a State. Limits to $30,000,000 the obligation for such emergency relief resulting from a single natural disaster or catastrophic failure in any State.

Increases the authorization of appropriations for the purposes of this Act for fiscal years 1980 and thereafter.