Keep in low gear : 17% descent ahead, Mountain Road, Caerphilly
Introduction
The photograph on this page of Keep in low gear : 17% descent ahead, Mountain Road, Caerphilly 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: 19 Aug 2011
Having just walked up Mountain Road to this point, I can confirm it is a steep climb up from Caerphilly railway and bus stations! The sign shows a 1.7% descent ahead, but 17% is intended - that's a 1 in 6 gradient. A 1.7% gradient would be barely noticeable, and would certainly not need a sign!