YOU SAID:

it creeped me out that we had not seen another vehicle on the road

INTO JAPANESE

私たちが道路上の別の車両を見ていないことが私をぞっとさせた

BACK INTO ENGLISH

It horrified me that we didn't see another vehicle on the road.

INTO JAPANESE

道路上に別の車が見えなかったので、私は恐ろしくなりました。

BACK INTO ENGLISH

I was scared because I couldn't see another car on the road.

INTO JAPANESE

道路に別の車が見えなかったので、私は怖かった。

BACK INTO ENGLISH

I was scared because I couldn't see another car on the road.