NATIONAL COMMITTEE ON URBAN TRANSPORTATION

While highway departments were placing major emphasis on arterial routes, city street congestion was steadily worsening. It was in this atmosphere that the Committee on Urban Transportation was created in 1954.

NATIONAL COMMITTEE ON URBAN TRANSPORTATION
全米都市交通政策委員会

While highway departments were placing major emphasis on arterial routes, city street congestion was steadily worsening.
①道路局が幹線道路に重点を置いていた一方で、都市部の生活道路の渋滞は着実に悪化していた。

※参考：日本の道路体系におけるおおよその対応関係：
Freeway = 高速道路（自動車専用）、Highway = 国道（広域幹線）、Arterial routes = 都道・県道などの都市内幹線道路、City streets = 市道・区道などの生活道路

It was in this atmosphere that the Committee on Urban Transportation was created in 1954.
②このような状況の中で、1954年に都市交通委員会が設立された。

Its purpose was to help cities do a better job of transportation planning through systematic collection of basic facts. . .to afford the public the best possible transportation at the least possible cost and aid in accomplishing desirable goals of urban renewal and sound urban growth. (National Committee on Urban Transportation, 1958-1959)

Its purpose was to help cities do a better job of transportation planning through systematic collection of basic facts. . .to afford the public the best possible transportation at the least possible cost and aid in accomplishing desirable goals of urban renewal and sound urban growth. (National Committee on Urban Transportation, 1958-1959)
③その目的は、都市が、体系的に収集された基礎的な事実を通じて交通計画をより適切に行えるよう支援するとともに、、可能な限り少ない費用で市民に最良の交通を提供し、望ましい都市再開発と健全な都市成長の実現を後押しすることであった。（National Committee on Urban Transportation, 1958–1959）
※purpose: help, afford, aid