Actuated Coordinated Signalized System: Phase I Oversaturated Conditions: Phase II Cycle-by-Cycle Analysis
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2001-11-01
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Abstract:The role of the vehicle is more important today than ever before in history, and its increased usage has led to congestion, not only in urban metropolitan areas, but also in rural small and mid-size cities. In most areas, the surface transportation network operates at capacity or overcapacity, at least during some parts of the morning and evening peak hours. Spillback is a problem that frequently occurs in actuated coordinated signalized intersections that are oversaturated. Signal timing parameters for the intersections and the arterial coordination could be a major factor in the spillback phenomenon. The overall efficiency of the intersection operation could be improved by reallocating the green times between different approaches and utilizing the ?wasted green time? that some approaches might have. (61 p.)
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