The Tay Bridge Joint board
Introduction
The photograph on this page of The Tay Bridge Joint board by Bill Nicholls 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: © Bill Nicholls Taken: 28 Aug 2010
No doubt was something to do with the bridge when it charged tolls now I presume it just controls the traffic or keeps an eye on it.