Network design for personal rapid transit under transit-oriented development |
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| Affiliation: | 1. State Key Laboratory of Rail Traffic Control and Safety, Beijing Jiaotong University, Beijing 100044, China;2. School of Traffic and Transportation, Beijing Jiaotong University, Beijing 100044, China;3. Department of Civil and Environmental Engineering, University of Wisconsin-Madison, Madison, WI 53706, USA;4. School of Naval Architecture, Ocean and Civil Engineering, Shanghai Jiao Tong University, Shanghai, 200240, China;1. Engineering Systems and Design, Singapore University of Technology and Design, 8 Somapah Road, 487372, Singapore;2. School of Information Systems, Singapore Management University, 80 Stamford Road, 178902, Singapore |
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| Abstract: | This study addresses guideway network design for personal rapid transit (PRT) favoring transit-oriented development. The guideway network design problem seeks to minimize both the guideway construction cost and users’ travel time. In particular, a set of optional points, known as Steiner points, are introduced in the graph to reduce the guideway length. The model is formulated as a combined Steiner and assignment problem, and a Lagrangian relaxation based solution algorithm is developed to solve the optimal solution. Numerical studies are carried on a real-sized network, and illustrate that the proposed model and solution algorithm can solve the PRT guideway network design problem effectively. |
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| Keywords: | Network design Steiner problem Lagrangian relaxation Personal rapid transit Transit-oriented development |
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