YOU SAID:

It was midnight, but there were a lot of cars and heavy trucks (so it was super dangerous), yet he was overtaking everyone while constantly honking and blinking with the headlights.

INTO JAPANESE

真夜中でしたが、車や大型トラックがたくさんあり（とても危険でした）、それでも彼はクラクションを鳴らしたりヘッドライトを点滅させたりしながら、すべての車を追い抜いていました。

BACK INTO ENGLISH

It was the middle of the night and there were a lot of cars and lorries (very dangerous) and yet he passed every single one, honking his horn and flashing his headlights.

INTO JAPANESE

真夜中で、車やトラックがたくさん走っていた（とても危険）のに、彼はクラクションを鳴らし、ヘッドライトを点滅させながら、すべての車やトラックを追い越していきました。

BACK INTO ENGLISH

Even though it was the middle of the night and there were a lot of cars and trucks on the road (very dangerous), he passed them all, honking his horn and flashing his headlights.

INTO JAPANESE

真夜中で道路にはたくさんの車やトラックが走っていたにもかかわらず（とても危険でした）、彼はクラクションを鳴らし、ヘッドライトを点滅させながら、それらすべてを追い越しました。

BACK INTO ENGLISH

Even though it was the middle of the night and there were many cars and trucks on the road (very dangerous), he passed them all, honking his horn and flashing his headlights.

INTO JAPANESE

真夜中で道路にはたくさんの車やトラックが走っていたにもかかわらず（とても危険でした）、彼はクラクションを鳴らし、ヘッドライトを点滅させながら、それらすべてを追い越しました。

BACK INTO ENGLISH

Even though it was the middle of the night and there were many cars and trucks on the road (very dangerous), he passed them all, honking his horn and flashing his headlights.