The Mall is a road in the City of Westminster, central London, between Buckingham Palace at its western end and Trafalgar Square via Admiralty Arch to the east. Near the east end at Trafalgar Square and Whitehall it is met by Horse Guards Road and Spring Gardens where the Metropolitan Board of Works and London County Council were once based. It is closed to traffic on Saturdays, Sundays, public holidays and on ceremonial occasions. The Mall, London The Mall is a tree-lined royal road leading from Trafalgar Square to Buckingham Palace. Closed to traffic on Sundays and public holidays, it is known for ceremonial events like royal weddings and parades.