Margaret Calvert
Meet the woman who designed Britain's revolutionary road signs
Laura Gascoigne 21 November 2020 9:00 am
Laura Gascoigne meets Margaret Calvert, the designer who dragged British signposting into the modern era
Vital signs
Stephen Bayley 30 September 2017 9:00 am
Exhibit A. It is 1958 and you are barrelling down a dual carriageway; the 70 mph limit is still eight…