Mixed Signals 2 February 2015
During the 1960s the UK developed some of the most sophisticated - and strange - electronic variable message signs anywhere in the world. How? And, just as importantly... why?
Emergency Diversion Routes 17 December 2011
Those funny black and yellow symbols are everywhere - and they might just get you back on track one day.
Driver Location Signs 22 January 2011
If you're on the motorway (in England at least) you might have noticed some funny blue signs down the side of the road. What are they for?
Harry Yeadon 23 June 2006
A civil engineer, working principally in the North West of England, responsible for many of the area's motorways.