Which of the following is punctuated correctly?

A. In my city, there are many ways to get from place to place; walk;
ride the bus, ride a train; or drive a car.
B. In my city, there are many ways: to get from place to place, walk,
ride the bus, ride a train or drive a car.
C. In my city, there are many ways to get from place to place: walk
ride the bus ride a train or drive a car.
O
D. In my city, there are many ways to get from place to place: walk,
ride the bus, ride a train, or drive a car.