Titlebook: Highway Traffic Analysis and Design; R. J. Salter Textbook 1974Latest edition R. J. Salter 1974 civil engineering.design.engineering.traff

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The collection of existing travel dataExisting tripmaking or travel data may conveniently be classified into four groups according to the origin and the destination of the trip being considered. These four classes of movement are:

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The evaluation of transportation proposalsThe object of the simulation of the land-use/transportation process is to estimate the trips that will be attracted to a proposed future transportation system for a given pattern of land-use development. To compare effectively different transportation proposals it is imperative that each proposal should be evaluated.

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The relationship between speed, flow and density of a highway traffic streamWhen considering the flow of traffic along a highway three descriptors are of considerable significance. They are the speed and the density or concentration, which describe the quality of service experienced by the stream; and the flow or volume, which measures the quantity of the stream and the demand on the highway facility.

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