|N side of: High Street (A11)|
|Distance (N) from Greenwich|
|OS map details||OS Explorer: 162|
|OS grid ref||TQ 38697.84082|
|WGS84 lat/long||51.538606, -0.001523|
|Marking date||Unknown (1984?)|
One of three similar markings that are known to exist in the borough. It seems likely that there were originally more.