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Abstract:This report presents as series of eight papers on methods for planning, designing, and scheduling the implementation of improvements in urban transportation systems. Five of the papers (1 – 4 and 6) focus on methods for evaluating, sequencing and scheduling interrelated improvements in transportation networks while the others present methods for designing flexible route services (5 – 7) and improving the reliability of rail transit networks (8). Due to the complexity of the relevant functions for evaluating interrelated network improvements, which cannot be optimized with classical calculus techniques, the proposed methods rely on customized genetic algorithms for optimizing the selection, sequencing and scheduling of the interrelated alternatives. Applications to urban transportation networks are presented in papers for journals, which are included in appendices. The papers demonstrate the applicability of the developed methods to urban road networks, intersections in urban road networks, urban rail transit networks and flexible-route transportation systems. The papers included in this report are: (1) Selecting and Scheduling Interrelated Projects: Application in Urban Road Network Investment by Elham Shayanfar and Paul Schonfeld; (2) Selecting and Scheduling Link and Intersection Improvements in Urban Networks by U. Jovanovic, E. Shayanfar, and P. Schonfeld; (3) Optimizing Development Plan of Rail Transit Projects over Multiple Time Periods by Ya-Ting Peng, Zhi-Chun Li, and Paul Schonfeld; (4) Selecting and Scheduling Interrelated Road Projects with Uncertain Demand by Elham Shayanfar and Paul Schonfeld; (5) Optimal Zone Sizes and Headways for Flexible-Route Bus Services by Myungseob (Edward) Kim, Joshua Levy, and Paul Schonfeld; (6) Optimizing the Two-directional Phased Development of a Rail Transit Line by Fei Wu and Paul Schonfeld; (7) Review of Length Approximations for Tours with Few Stops by Youngmin Choi and Paul M. Schonfeld; and (8) The Value of Reserve Capacity Considering the Reliability and Robustness of a Rail Transit Network by Jie Liu, Paul M. Schonfeld, Shuguang Zhan, Qiyuan Peng, and Yong Yin.
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