Abstract
IN the engineering supplement to the Siemens Magazine for November, Mr. F. G. Tyack gives a full account of the ‘Autoflex progressive system’ of traffic control which the experience of the last two years has shown to be very satisfactory in certain London streets. The problem is a difficult one, but its analogy to the corresponding problem of controlling ‘the traffic’ in telephony has been a great help in finding a solution. For the first time the theory of probability has been applied to street traffic problems. Mathematicians will be interested to learn that the method of ‘least squares' is applied to the plotting of time and distance diagrams.
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Progressive Traffic Signals in London. Nature 137, 38–39 (1936). https://doi.org/10.1038/137038b0
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DOI: https://doi.org/10.1038/137038b0