MAXBAND Version 3.1: Heuristic and optimal approach for setting the left turn phase sequences in signalized networks

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Description

The main objective of synchronized signal timing is to keep traffic moving along arterials in platoons throughout the signal system by proper setting of left turn phase sequence at signals along the arterials/networks. The synchronization of traffic signals located along the urban/suburban arterials in metropolitan areas is perhaps one of the most cost-effective methods for improving traffic flow along these streets. MAXBAND Version 2.1 (formerly known as MAXBAND-86), a progression-based optimization model, is used for generating signal timing plan for urban networks. This model formulates the problem as a mixed integer linear program and uses Land and Powell branch and ... continued below

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39 p.

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Pillai, R.S. & Rathi, A.K. February 1, 1995.

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  • Pillai, R.S. Oak Ridge Inst. of Science and Education, TN (United States)
  • Rathi, A.K. Oak Ridge National Lab., TN (United States)

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Description

The main objective of synchronized signal timing is to keep traffic moving along arterials in platoons throughout the signal system by proper setting of left turn phase sequence at signals along the arterials/networks. The synchronization of traffic signals located along the urban/suburban arterials in metropolitan areas is perhaps one of the most cost-effective methods for improving traffic flow along these streets. MAXBAND Version 2.1 (formerly known as MAXBAND-86), a progression-based optimization model, is used for generating signal timing plan for urban networks. This model formulates the problem as a mixed integer linear program and uses Land and Powell branch and bound search to arrive at the optimal solution. The computation time of MAXBAND Version 2.1 tends to be excessive for realistic multiarterial network problems due to the exhaustive nature of the branch and bound search technique. Furthermore, the Land and Powell branch and bound code is known to be numerically unstable, which results in suboptimal solutions for network problems with a range on the cycle time variable. This report presents the development of a new version of MAXBAND called MAXBAND Version 3.1. This new version has a fast heuristic algorithm and a fast optimal algorithm for generating signal timing plan for arterials and networks. MAXBAND 3.1 can generate optimal/near-optimal solutions in fraction of the time needed to compute the optimal solution by Version 2.1. The heuristic algorithm in the new model is based on restricted search using branch and bound technique. The algorithm for generating the optimal solution is faster and more efficient than version 2.1 algorithm. Furthermore, the new version is numerically stable. The efficiency of the new model is demonstrated by numerical results for a set of test problems.

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39 p.

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OSTI as DE95008655

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  • Other Information: PBD: Feb 1995

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  • Other: DE95008655
  • Report No.: ORNL/TM--12869
  • Grant Number: AC05-84OR21400
  • DOI: 10.2172/34378 | External Link
  • Office of Scientific & Technical Information Report Number: 34378
  • Archival Resource Key: ark:/67531/metadc688469

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • February 1, 1995

Added to The UNT Digital Library

  • July 25, 2015, 2:20 a.m.

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  • Jan. 19, 2016, 7:42 p.m.

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Pillai, R.S. & Rathi, A.K. MAXBAND Version 3.1: Heuristic and optimal approach for setting the left turn phase sequences in signalized networks, report, February 1, 1995; Tennessee. (digital.library.unt.edu/ark:/67531/metadc688469/: accessed November 24, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.