<human>:  When the Queen is on the train, what is the name of the train?
<bot>: The name of the train is the Royal Train. It is a special train that carries the Queen, her family, and members of the royal household. The train has been used since the reign of Queen Victoria, and has been updated several times since then. The current train was built in 2002 and is used to carry the Queen and her family around the country.