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Titlebook: An Introduction to Traffic Flow Theory; Lily Elefteriadou Textbook 20141st edition The Editor(s) (if applicable) and The Author(s), under

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Flow, Speed, Density, and Their Relationships. When describing and assessing traffic operations, we are often concerned with the movement of a group of vehicles, or the traffic stream as a whole, rather than the movement of each vehicle. In those cases, it is more convenient to describe traffic operations in terms of macroscopic measures of tr
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Mathematical and Empirical Modelsic operational conditions at some time in the future under various sets of design, traffic, and control characteristics. Traffic engineers and designers can make decisions regarding facility modifications or traffic management improvements based on the expected impact of those improvements in the tr
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Freewaysblic access rights from properties along the freeway; access to freeway facilities is allowed only through selected public roads, typically on- and off-ramps [1]. Thus, freeways typically operate at higher speeds and higher capacities than urban arterial streets or local roadways.
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Two-Lane Highwaystream. According to the US Federal Highway Administration [1], two-lane highway facilities represent about 97 % of the total highway system and for more than 65 % of the total nonurban vehicular travel in the USA. Hence, two-lane highways provide most of the primary interurban highway network as wel
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Textbook 20141st editiontransportation system. It provides the fundamental principles of traffic flow theory as well as applications of those principles for evaluating specific types of facilities (freeways, intersections, etc.). Newer concepts of Intelligent transportation systems (ITS) and their potential impact on traff
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