| Location | England Hertfordshire Royston |
| N side of: Newmarket Road | |
| Distance (N) from Greenwich | |
| OS map details | OS Explorer: 209 |
| OS grid ref | TL 37132.40870 (537132,240870) |
| WGS84 lat/long | 52.049262, -0.001641 |
| Type | Sign on post(s) |
| Marking date | Unknown |
| Access | Unrestricted |
The ‘Greenwich Meridian’ sign, visible in the 2005 image set was subsequently stolen (2007 image set). It was replaced with a similar but not identical sign. Royston’s Meridian School is located 'off meridian' some distance to the west.