carpool lane

Noun

a road lane that only cars with at least one passenger (not including the driver) may drive in

Japanese Meaning

運転手以外に少なくとも1名の同乗者が乗車している車両専用の車線。

We saved twenty minutes by using the carpool lane during the morning commute.

朝の通勤で二人以上乗車専用車線を利用したおかげで20分短縮できました。

Sense（1）

a road lane that only cars with at least one passenger (not including the driver) may drive in

carpool lanes

（ plural ）