Home
Interactive UK map
Interactive World map
Visit
 
Royal Observatory Greenwich
Latitude and Longitude
Airy Transit Circle (ATC)
WGS84 and the Greenwich Meridian
The Greenwich Meridian before the ATC
The Quest for Longitude
International Meridian Conference (1884)
Meridian Day (1984)
The Millennium
Millennium Tree Line (MTL)
Meridian Laser
Astronomers Royal
Telescopes used with Meridian Marks
 
Coordinate Systems
Useful Links
 
Search
LocationEngland
Hertfordshire
Old Hall Green
E side of: unnamed road (former A10)
Distance (N) from Greenwich
OS map detailsOS Explorer: 194
OS grid refTL 37650.21938
(537650,221938)
WGS84 lat/long51.879025, -0.001673
TypeBollard
Marking date1984
AccessUnrestricted
Greenwich Meridian Marker; England; Hertfordshire; Old Hall Green
North
North
All
South
South
Currently viewing images from 08 Aug 2009
Click to choose image set
06 May 2018
15 Sep 2012
08 Aug 2009
07 Oct 2007
20 Feb 2005

One of a number of similar bollards to be found by the roadside within the area administered by East Hertfordshire District Council. When at the time of the millennium, the council’s roads were additionally marked by the planting of an oak tree, this location appears to have been omitted due to the unsuitability of the site.