|Link to BBC web site|
"The Design Museum has added a motorway sign to its collection. So is British road signage a design classic?
"In the 1950s, road signs were a mess - a confusing and dangerous hotch potch of different symbols, colours and lettering. But more and more people were acquiring cars.
"... As the government set about creating a brave new world of motorways, Kinneir and Calvert were given the job of making signs that could be clearly read in a split second. Calvert, now 75, says they had to start from scratch."