Carpooling (also known as ride-sharing, lift-sharing), is shared use of a car, in particular for commuting to work, often by people who each have a car but travel together to save costs and in the interest of other socio-environmental benefits mentioned below. There are sometimes special facilities for carpoolers, including designated pick-up points and high-occupancy vehicle lanes which are also at times opened up to designated cars with multiple riders
If a group of people car pool, they take turns driving each other to work, or driving each other's children to school. The government says fewer Americans are carpooling to work
A car pool is an arrangement where a group of people take turns driving each other to work, or driving each other's children to school. In American English, car pool is sometimes used to refer simply to people travelling together in a car. the carpool lanes in LA