Way to go: the woman who invented Britain’s road signs

Margaret Calvert finds driving down the motorway an infuriating experience. It’s not the tailgaters or the traffic that exasperates the 79-year-old designer, but the signs. “It’s been a nightmare all my life,” she laughs, only half-joking.

http://www.theguardian.com/artanddesign/shortcuts/2015/sep/18/way-to-go-the-woman-who-invented-britains-road-signs