carpool

US /ˈkɑːrˌpuːl/
UK /ˈkɑːrˌpuːl/
"carpool" picture
1.

an arrangement among a group of people to travel together in one car, sharing the cost and often taking turns driving

:
We decided to carpool to work to save on gas.
The company encourages employees to carpool.
1.

an arrangement where several people travel together in one car, especially to work or school, sharing the costs

:
My daily carpool saves me a lot of money.
They organized a carpool for the kids' soccer practice.