superhighway

Noun

US broadly metaphoric

(US) An expressway, especially one designed for high speeds. / (by extension) A major route that carries most of the traffic going in a given direction by a specified mode of transportation.

Japanese Meaning

高速自動車のために設計された自動車専用の高速道路。 / 大部分の交通が特定の方向に流れる主要な幹線道路としての意味合いも持つ。

What is this buttons?

We merged onto the superhighway just before dawn to avoid city traffic and make good time.

Google Translation / DeepL Translation

私たちは夜明け前に市内の渋滞を避け、時間どおりに着くために高速道路に合流しました。

Details

Sense（1）

(US) An expressway, especially one designed for high speeds.

Sense（2）

We cannot and should not be rebuilding old "two lane" sections of the air transport system with segments having "eight lane superhighway" capacity without knowing the full economic, safety, and environmental impacts of the entire air traffic superhighway.

Google Translation / DeepL Translation