Class 7: 3-17-3-12-15

The original 7 percent federal-aid highway program was renamed the federalaid primary system, and selection by the states of a federal-aid secondary system of farm-to-market and feeder roads was authorized.

The original 7 percent federal-aid highway program was renamed the federalaid primary system, and selection by the states of a federal-aid secondary system of farm-to-market and feeder roads was authorized.
①連邦補助道路事業での(各州の道路総延長の)7％を第１級道路とするとともに、州が、農村と市場を繋ぐ(幹線)道路(FMR)や区画道路(FR)を第2級道路として選択することを容認した。

Federal-aid funding was authorized in three parts, known as the "ABC" program, with 45 percent for the primary system, 30 percent for the secondary system, and 25 percent for urban extensions of the primary and secondary systems.

Federal-aid funding was authorized in three parts, known as the "ABC" program, with 45 percent for the primary system, 30 percent for the secondary system, and 25 percent for urban extensions of the primary and secondary systems.
②連邦補助金は、第1級道路に45%、第2級道路に30%、(第1級道路と第2級道路となる)都市外郭道路に25％を当てるとする「ABC」計画を定めた。