Cycle campaigning

We keep blaming infrastructure which distracts from looking at what people do. If a driver turns left and isn't 100% sure that it is clear on their left, either because they haven't checked or because their vehicle design makes that check impossible they shouldn't turn or be riding such a vehicle. End-of. Whatever the infrastructure

true - but everyone, even the best trained, makes mistakes. key is designing roads so that a small error doesn't kill. separation (done well, not the british way) can help with that...