A national system of interstate highways of 40,000 miles was authorized. The routes were selected by the states with BPR approval, but no special funds were provided to build the system beyond regular federal-aid authorizations.

A national system of interstate highways of 40,000 miles was authorized.
①40,000マイルの全米州間道路網が認可された。

The routes were selected by the states with BPR approval, but no special funds were provided to build the system beyond regular federal-aid authorizations.
②路線は、道路局(BPR)の承認を得て州が決めたものの、通常の連邦補助の承認を超えた道路網の構築のための特別な財源はなかった。

EARLY URBAN TRAVEL SURVEYS

Most urban areas did not begin urban travel surveys until 1944. It was during that year the Federal-Aid Highway Act authorized the expenditure of funds on urban extensions of the federal-aid primary and secondary highway systems.

EARLY URBAN TRAVEL SURVEYS
初期の都市交通調査

Most urban areas did not begin urban travel surveys until 1944.
①多くの都市は、1944年までに都市交通量調査が行われなかった。

It was during that year the Federal-Aid Highway Act authorized the expenditure of funds on urban extensions of the federal-aid primary and secondary highway systems.
②それは、連邦補助道路法(FAHA)が、第1・2級の都市外郭道路への財源支出を認めた時期であった。