Train transportation is a form of transportation that uses railroads to move people and goods from one place to another. It is one of the oldest forms of transportation, having been used since the early 19th century. Railroads are still used today for both passenger and freight services. The term 'RAIL' refers to the tracks that the trains run on, which are usually made of steel. Train transportation is an efficient and cost-effective way to move people and goods over long distances.