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全体(各州の道路総延長)の7％の連邦補助道路事業は、「第１級道路網（連邦補助第一次道路網）」と改称されるとともに、州による、農村と市場を結ぶ(幹線)道路(FMR)や支線道路(FR)を「第2級道路網（連邦補助第二次道路網）」として選定（指定）が認められた。
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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級道路網に45%、第2級道路網に30%、そして両者(第1級道路と第2級道路となる)の都市延長区間に25％となる、いわゆる「ABCプログラム」として3つに割り当てられた。※s+v, and