In order to measure traffic speed observers in test cars record their journey times, count opposing traffic, and keep tally of overtaking and overtaken vehicles; practical application of method and errors occurring in practice.
Method of estimating speed and flow of traffic from moving vehicle
Instn Civ Engrs -- Proc
Institution of Civil Engineers -- Proceedings ; 3 , Part 2, n 1
1954
14 pages
Article (Journal)
English
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Moving vehicle method of estimating traffic volumes
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