Aerial surveys were made of traffic on 6-mi section of Gulf Freeway in Houston, Tex; strip photography comprising two continuous stereoscopic photographs taken simultaneously from beginning to end of traffic survey section, and time-lapse photography where individual fixed-size photographs were taken at short intervals of time were investigated and compared for their application to surveys for traffic study purposes; results of survey made for studies accomplished are given and changes needed for making future studies of traffic operations are suggested.
Comparison of two techniques of aerial photography for application in freeway traffic operations studies
Nat Research Council -- Highway Research Board -- Research Rec
1965
21 pages
Aufsatz (Zeitschrift)
Englisch
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