Martin Parkinson raises an interesting question (comment on previous post): what should be the reaction to an accident that, a priori, was an extremely low probability event? He suggests that “any attempt to reverse the counterproductive aspects of ‘health and safety culture’ is doomed to failure”. After an accident he argues that most people [...]

Presentation for PRIAN Public Realm Course, Bedford, 28 April 2008.
Traditional highway engineering assumes that safety requires the spatial segregation of pedestrians, cyclists and motorized vehicles or, where this is not possible, rigorously enforced rules, signs and signals dictating temporal segregation. Road users, according to the established paradigm, are irresponsible, stupid, selfish automatons whose safety can [...]