Ride along with the Mighty Machines for this exciting look at the powerful vehicles that move people and goods around the country in this transportation-themed collection of episodes from the popular children's series. Buddy the Bus and his subway and streetcar pals explain how they help everyone get to work and school. Sammy the shovel, Dozer and Scooper show what it takes to build a new road, and the freight trains lead a tour of the railroad.