Transcription of TRAFFIC STREAM CHARACTERISTICS
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TRAFFIC STREAM CHARACTERISTICS
TRAFFIC STREAM CHARACTERISTICSBY FRED L. HALL 4 Professor, McMaster University, Department of Civil Engineering and Department of Geography, 1280 Main Street West,4 Hamilton, Ontario, Canada L8S 2 - Frequently used Symbolskdensity of a TRAFFIC STREAM in a specified length of roadLlength of vehicles of uniform lengthcconstant of proportionality between occupancy andkdensity, under certain simplifying assumptionskthe (average) density of vehicles in substream Iiqthe average rate of flow of vehicles in substream Ii average speed of a set of vehiclesAA(x,t) the cumulative vehicle arrival function overspace and timekjam density, the density when TRAFFIC is so heavy thatjit is at a complete standstillufree-flow speed, the speed when there are nofconstra
In per unit distance, and spacing between vehicles, in distance per ... time headway between vehicles (time per vehicle); with the variables that can only be estimated. ... calculated, in one of two ways to be discussed in Section 2.3. The large quantity of …
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