Public transportation is provided by vans, buses, trains, bicycles, carpooling, and vanpooling. Each form depends on the area. Some areas are dense enough to be served by buses and trains. In really congested areas and in areas where people often travel long distances for work trips, carpooling and vanpooling are used. Some areas are less dense and with a large area to cover use vans instead.
Bicycles are public transportation.
Some people ride bicycles to and from work or other activities. They range in size from 24 feet in length to as much as 60 feet in length. The typical bus lengths are 35 and 40 foot buses that transport anywhere from 37 to 64 passengers. Depending upon the size of the community being served the sizes may be smaller or larger. There are approximately 15 major bus manufacturers in North America.