Buckingham Palace was first used for the State Opening of Parliament by George III in 1762 and has been used by the monarch for every coronation since George IV. It was last used for the Golden Jubilee of Elizabeth II. Also housed in the mews are the coach horses used at royal ceremonial processions. The Mall, a ceremonial approach route to the palace, was designed by Sir Aston Webb and completed in 1911 as part of a grand memorial to Queen Victoria. It extends from Admiralty Arch, across St James's Park to the Victoria Memorial. This route is used by the cavalcades
Buckingham Palace Road opposite the coach station, designed by Albert Lakeman, also in the Art Deco style. It allowed passengers to check-in before boarding special trains from Victoria Station to Croydon Airport or Southampton Docks for the flying boat service. The terminal continued in service until the end of the 1970s, by which time there were dedicated rail or bus connections to Gatwick and Heathrow Airports. It is now the headquarters of the National Audit Office. In June 1917, the Imperial Headquarters of The Boy Scouts' Association (since 1967, The Scout Association) moved to 25 Buckingham Palace Road from the previous office at