The Mall is a ceremonial route and roadway in the City of Westminster, central London, that travels 1 kilometre (0.62 mi) between Buckingham Palace at its western end and Trafalgar Square via Admiralty Arch to the east. Along the north side of The Mall is green space and St. James's Palace with other official buildings, and to the south is St James's Park. Near the east end at Trafalgar Square and Whitehall it is met by Horse Guards Road and Spring Gardens, near the west end at the Victoria Memorial it is met by the Constitution Hill roadway and the Spur Road to the street of Buckingham Gate. It is closed to traffic on Saturdays, Sundays, public holidays and on ceremonial occasions.