Time Lapse Kinematography is being increasingly used by research workers in the field of traffic engineering to define quantitatively the microscopic and macroscopic behaviour of traffic on the open highway and at channelized and signal-controlled intersections. The information obtained is being used to confirm and extend traffic flow theories and to provide the necessary field data to enable traffic situations to the realistically simulated on the electronic digital computer. The success of the method depends to a large extent on the reliability of the equipment used and the ease with which the analysis work can be carried out, since this part of the work can be extremely tedious. In this paper the authors describe in detail the equipment they have developed and used with success.
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