期刊
TRANSPORTATION RESEARCH PART C-EMERGING TECHNOLOGIES
卷 40, 期 -, 页码 49-62出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.trc.2013.12.011
关键词
Exclusive bus lanes; Lane markings; Bus signal priority; Person capacity
资金
- National Natural Science Foundation of China [51178345, 51238008]
- Fundamental Research Funds for the Central Universities
In this paper, a person-capacity-based optimization method for the integrated design of lane markings, exclusive bus lanes, and passive bus priority signal settings for isolated intersections is developed. Two traffic modes, passenger cars and buses, have been considered in a unified framework. Person capacity maximization has been used as an objective for the integrated optimization method. This problem has been formulated as a Binary Mixed Integer Linear Program (BMILP) that can be solved by a standard branch-and-bound routine. Variables including, allocation of lanes for different passenger car movements (e.g., left turn lanes or right turn lanes), exclusive bus lanes, and passive bus priority signal timings can be optimized simultaneously by the proposed model. A set of constraints have been set up to ensure feasibility and safety of the resulting optimal lane markings and signal settings. Numerical examples and simulation results have been provided to demonstrate the effectiveness of the proposed person-capacity-based optimization method. The results of extensive sensitivity analyses of the bus ratio, bus occupancy, and maximum degree of saturation of exclusive bus lanes have been presented to show the performance and applicable domain of the proposed model under different composition of inputs. (C) 2014 Elsevier Ltd. All rights reserved.
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