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H MEASUREMENT AND EVALUATION OF TRAFFIC
in TRAVEL TIME RELATIONSHIPS GUERIN
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ANALYSIS BY GROUPS Arithmetic mean Arroyo Seco Parkway average speed Bailey Bridge bottleneck Bureau of Highway cent coefficient of variation computed Congestion Ratings correlation cost Country Roads Board density discomfort factor distance feet Figure IV-l five vehicles flow zone free flowing gasoline economy graph Greenshields Highway Capacity Manual Highway Research Board Kinematic Wave lane Lighthill and Whitham's maximum measure Merritt Parkway method miles per hour minute number of vehicles observed obtained possible capacity Princes Highway Probability Curves Q-value q:k curve quality of flow quality of traffic queue of vehicles range Recording Speedometer relation road roadway secs slope space mean speed speed changes speed distribution speed-volume curve spot speeds straight line Temple Street Study temporary bridge test section tion traffic conditions traffic flow traffic stream traffic volume trap e-f Travel Time-Density Travel Time-Volume v:q and q:k variables vehicles per hour vehicles per mile volume and density Wardrop's waves zero