Tuesday, 24 June 2008


http://www.timesonline.co.uk/tol/comment/obituaries/article4131930.ece?Submitted=true is an obituary of Frank Blackmore, inventor of the mini-roundabout. My comment is that although mini-roundabouts are a vast improvement on traffic lights, the offside priority rule isn’t the optimum solution, because it allows traffic from the right to dominate, and can cause other traffic to back up. My hunch is that temporal rather than directional priority, i.e. the natural interaction of filter in turn, is the best answer to congestion and safety on our roads.

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