Originally built as the main entrance to Buckingham Palace in 1828, Marble Arch, London was designed by John Nash as as a ceremonial entrance for the Kings Troops and Royal Horse Artillery. Long rumored that the Queens gold stagecoach was to wide to pass through the arch.
Marble Arch was relocated in 1851 to it's current location. London historians now claim it was not the Queens Coach but the expansion of Buckingham Palace that necessitated the relocation of Marble Arch.
Today Marble Arch a popular London Attraction can be found on the northeastern corner of Hide Park, close to Speakers Corner. It is rumored that the marble monument might be moved once again, located on a traffic island at the corner of Park Lane and Oxford Street, it has become neglected and sometime hard for tourist to navigate the traffic.
The closest Underground Station is Marble Arch on the Central Line, but the following station that circle Hyde park will offer a nice walk through the park to the northeast corner of the park. Hide Park Corner, Knights Bridge, Queensway and Lancaster Gate Stations.
London Bus service also offers many lines that put you in the vicinity of Marble Arch and Hyde Park.
Major London Bus Routes, 2,10,16,36,73,74,82,137,159,414,436 offer access to the Arch.