1926: A Motoring Year in 5 Images Britain’s first set of traffic lights were set up in Piccadilly, London. They were manually operated by a policeman. The first Volvo car, OV4 was produced .The designation ÖV 4 stood for “Öppen Vagn 4 cylindrar” in Swedish, which means Open Carriage 4 cylinders. The British government introduced the first national guidelines on where and how white lins should be painted. Before that there had been many local differences on how roads were marked, or not marked – as the image of the Great North Road above from the 1920s illustrates. Clyno of Wolverhampton was producing 300 cars a week and became the third largest car manufacturer in Britain. But by 1929 the owing to qa combination of financial problems and poor sals of new models company would cease to exist.