 However, the train is recognised as being a very secure way for the nonagenarian queen to complete overnight trips.The yearly cost of the Royal Train when it was introduced in 1977 for The Queen's Silver Jubilee was £1.9 million (equivalent to £ in ), and has since been considerably reduced.Edward Leigh, the Conservative chairman of the House of Commons Public Accounts Committee, said the Royal Train was twice as expensive as using air travel but hardly luxurious.