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Description of Method
Field Technique 1516
Analysis and Interpretation of Field Data 2128
1 other sections not shown
ACTUAL VOLUME woo average speed Chi square control speed COOK COUNTY Diagram directional flows drives the run estimate of speed estimated speed ESTIMATING 5 HOUR ﬁeld data ﬁfteen minute manual ﬁrst ﬁve hour estimate ﬁve off peak formula function of volume highly signiﬁcant highway HOUR ACTUAL VOLUME HOUR ESTIMATED VOLUME hypothesis of Poisson individual sections Lane Divided low volume sections manual counts minutes the low moving car method moving car unit number of runs peak hours Poisson determined standard Poisson distribution POISSON RELATIONSHIP radar tested speed relative standard error required to drive Residential 2 Lane Residential 50 road sections run observations sections under study show standard errors stop watch STUDY AREA technique ten sections test car total vehicle miles total volume traffic flow traffic volumes traﬂic unbiased estimate vehicle miles traveled vehicles overtaking vehicles passed VOLUME 5 HOUR volume and relative volume and sample Volume counts