Tour transport is a type of transportation that involves taking people on a guided tour. It can include buses, cars, vans, and other vehicles. The most common form of tour transport is the BUS, which is a three-letter word for this crossword puzzle. Buses are often used to take people on sightseeing tours, allowing them to explore a new area or city in a comfortable and convenient way. Tour buses are also used to transport people to and from airports, hotels, and other destinations. Tour transport is an important part of the tourism industry, providing a safe and reliable way for people to explore new places.