A large road sign that looks more at home on a Formula One circuit than a British A-road is leaving motorists baffled, as they say they "have no idea what it means". Featuring a black and white chequered pattern synonymous with motorsport, the sign is far from a common sight on UK roads — yet a number of drivers have spotted it on their travels and turned to social media in search of answers. One cyclist posted on the Cycling UK Forum: "I thought I was fairly knowledgeable on road signs.