Inhalt des Dokuments
Preprint 27-2004
Combinatorial Optimization & Graph Algorithms group (COGA-Preprints)- Title
- Minimizing Total Delay in Fixed-Time Controlled Traffic Networks
- Authors
- Classification
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MSC: primary: 90B20 Traffic problems secondary: 90C11 Mixed integer programming - Keywords
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traffic, mixed-integer programming, minimizing delays, signalized intersections
- Abstract
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We present two different approaches to minimize total delay in signalized fixed-time controlled inner city traffic networks. Firstly, we develop a time discrete model where all calculations are done pathwise and vehicles move on "time trajectories" on their routes. Secondly, an idea by Gartner, Little, and Gabbay is extended to a continuous, linkwise operating model using "Link Performance Functions" to determine delays. Both models are formulated as mixed-integer linear programs and are compared and evaluated by PTV AG's simulation tool VISSIM 3.70.
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