All modes of transportation incur a cost. At the simplest is by foot. That being said there are many municipalities and areas that have complimentary transportation available from shuttles to ferries, such as the Staten Island Ferry to Manhattan.
Bikes is the most popular transportation
The most economical transportation in Spain is the bus system. Trains are also inexpensive.
Nowadays motorcycles seem to be the most affordable kind of transportation, almost anyone can own it. Statistically, motorcycle is number one in the list of the most dangerous mode of transportation.
hovercraft
The most common mode of transportation, especially for locals and tourists in Morocco, is taxis.
Statistically, motorcycles are considered the most dangerous mode of transportation due to the high rate of accidents and fatalities compared to other vehicles.
automobiles
most of the people walk
Bicycles
The most common mode of transportation in the 1700s was the horse. Many people used horses to pull carriages and rode horseback to travel.
The model T ford.
Train