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Comparison of Two Techniques of Aerial Photography for Application in Freeway Traffic Operations Studies
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1964-03-01
[PDF-1.77 MB]
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Abstract:Objectives of the Study Aerial surveys were made of the traffic flow on a six-mile section of the Gulf Freeway in Houston, Figure l. Two types of aerial photography were investigated: ( l) strip photography where two continuous pictures are taken simultaneously from the beginning to the end of the study section: and (2) time-lapse photography where individual pictures are taken at short intervals of time 1 Figures 2 and 3. The objectives of this study were: (l) To determine the operational characteristics of the freeway and those factors that affect the level of service offered to the motorist. (2) To evaluate the two techniques of aerial photography and their application to traffic studies.
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