W sign at Taffs Well railway station
Introduction
The photograph on this page of W sign at Taffs Well railway station by Jaggery 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: © Jaggery Taken: 3 Mar 2015
The W sign originally instructed the driver of a steam locomotive to sound the whistle. The modern equivalent is for the driver of a diesel to sound the horn.