After a close-pass by a motorist led to an unprovoked, aggressive confrontation, Conor Dunne began investigating road rage. Why do we see anger on roads so often? Why are cyclists so often at the centre of it? And is road rage getting worse? Conor speaks with “Anger Professor” Ryan Martin, who has studied the psychology of anger for over 20 years, dives into Jeremy Vine’s efforts to document aggression toward cyclists, and discusses attitudes towards cyclists with Bath's Bicycle Mayor, Saskia He