Cyclists can be a nuisance, running red lights, riding on the pavement ... but are they dangerous, and if not, is it a problem if they break the law? Peter Wallker, Guardian journalist and author of Bike Nation: How Cycling Can Save the World, explores our fixation with cycling behaviour and whether it is distracting us from solving the real causes of death on our roads

Sources: 

Department for Transport cycling statistics

Reported road casualties in Great Britain: quarterly provisional estimates year ending September 2015

TfL road network performance and research team: proportion of cyclists who violate red lights in London