Operation of signalized diamond interchanges with frontage roads using dynamic reversible lane control |
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| Institution: | 1. University of Shanghai for Science and Technology, 516 Jungong Road, Shanghai, PR China;2. Department of Civil and Environmental Engineering, University of Wisconsin at Milwaukee, P.O. Box 784, Milwaukee, WI, United States;3. Key Laboratory of Road and Traffic Engineering of the Ministry of Education, 4800 Cao’an Road, Shanghai, PR China;1. Culpeper District Traffic Engineering, Virginia Department of Transportation, 1601 Orange Rd, Culpeper, VA 22701, United States;2. Department of Civil and Environmental Engineering, Auburn University, 108D Ramsay Hall, Auburn, AL 36849, United States;1. University of Shanghai for Science and Technology, 516 Jungong Road, Shanghai, PR China;2. Key Laboratory of Road and Traffic Engineering of the Ministry of Education, 4800 Cao’an Road, Shanghai, PR China;3. Department of Systems and Industrial Engineering, University of Arizona, Tucson, AZ, USA |
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| Abstract: | Signalized diamond interchanges (SDI), connecting major highways and surface streets in urban and suburban areas, are probably the most widely used interchange patterns. The limited storage space between the two closely joined intersections coupled with heavy traffic volumes may easily oversaturate the facility and cause spillback problems, especially with the presence of frontage roads. This paper presents an innovative design and operational model for SDI by dynamically reversing certain lanes in the internal link on a regular basis with the deployment of overhead reversible lane control signs. A Binary-Mixed-Integer-Linear-Program (BMILP) is formulated to simultaneously optimize lane markings, dynamic usage of the reversible lane, and signal timings for the new SDI system. Results from extensive numerical analyses reveal the promising property of the proposed design and operational model in expanding capacity and reducing congestion at the SDI with frontage roads. |
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| Keywords: | Signalized diamond interchange Capacity Reversible lane Binary-Mixed-Integer-Linear-Program |
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