An Analytical Method of Traffic Flow Using Aerial Photographs
Publication: Journal of Transportation Engineering
Volume 111, Issue 4
Abstract
The outline and results of an aerial traffic survey of an 800‐m section of the Hanshin Expressway are described. The objectives of the study were to record congested traffic flow and to determine its causes. Traffic in the study section was photographed by two 35‐mm still cameras every 5 s for 1 h. All vehicles recorded in the southbpund traffic flow were numbered and traced in order to project their trajectories in the time and space diagram. Speed and density contour diagrams were based on the theory of three‐dimensional representation of traffic flow. The characteristics and causes of traffic congestion were analyzed using these diagrams.
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References
1.
Allen, B. L., and May, A. D., “System Evaluation of Freeway Design and Operations,” Institute of Transportation and Traffic Engineering, University of California, July, 1969.
2.
Buhr, J. H., Drew, D. R., Watterworth, J. A., and Williams, T. G., “A Nationwide Study of Freeway Merging Operations,” HRR No. 202, 1967, pp. 76–122.
3.
Drew, D. R., “Traffic Flow Theory and Control,” McGraw‐Hill Series in Transportation, 1968, pp. 299–300.
4.
Forbes, T. W., and Reises, R., “35 Millimeter Airphotos for Study of Driver Behavior,” HRB Bulletin 60, 1952.
5.
Greenshields, B. D., “The Potential Use of Aerial Photographs in Traffic Analysis,” HRB Proceedings, Vol. 27, 1947.
6.
Makigami, Y., and Newell, G. F., “Three Dimensional Representation of Traffic Flow,” Transportation Science, Vol. 5, No. 3, Aug., 1971, pp. 302–313.
7.
Makigami, Y., and Hayashi, M., “On Traffic Flow Measurements with Aerial Photographs,” Proceedings of the 38th Annual Meeting of the Japan Association of Civil Engineers, Sept., 1983.
8.
“Report on Countermeasures for Traffic Congestion,” Hanshin Expressway Public Corporation, Japan Association of Traffic Engineering, Mar., 1981.
9.
“Report on Traffic Flow Characteristics of the Line‐2 of the Metropolitan Expressway on Opening of the Katsushika Line,” Metropolitan Expressway Public Corporation, Apr., 1981.
10.
Treiterer, J., and Taylor, J. I., “Traffic Flow Investigations by Photogrammetric Technique,” HRR No. 142, 1966, pp. 1–12.
11.
Wagner, F. A., Jr., and May, A. D., Jr., “Use of Aerial Photography in Freeway Traffic Operations Study,” HRB Record 19, 1963, pp. 24–34.
Information & Authors
Information
Published In
Journal of Transportation Engineering
Volume 111 • Issue 4 • July 1985
Pages: 377 - 394
Copyright
Copyright © 1985 ASCE.
History
Published online: Jul 1, 1985
Published in print: Jul 1985
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