Old and New Red Triangles
Introduction
The photograph on this page of Old and New Red Triangles by Des Blenkinsopp as part of the Geograph project.
The Geograph project started in 2005 with the aim of publishing, organising and preserving representative images for every square kilometre of Great Britain, Ireland and the Isle of Man.
There are currently over 7.5m images from over 14,400 individuals and you can help contribute to the project by visiting https://www.geograph.org.uk
Image: © Des Blenkinsopp Taken: 15 Feb 2023
I don't know when red triangles first appeared on traffic signs, but this old one on its solid iron post looks to have been around for a long time. A rare survivor, like its modern replacement it was probably warning about the cross roads up ahead on Harlington High Street..