The term 'TRAVELING OPTION' can be summarized as a form of transportation, specifically the solution to the crossword clue 'RAIL' (4 letters). RAIL is a type of transportation that uses a series of connected vehicles, usually powered by electricity, to move passengers and goods along a track. It is one of the oldest forms of transportation, with the first railroads being built in the early 19th century. RAIL travel is often seen as a more efficient and cost-effective way to travel than other forms of transportation, such as cars or planes.