Incorporating equity into the transit frequency-setting problem |
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Authors: | Erin M Ferguson Jennifer Duthie Avinash Unnikrishnan S Travis Waller |
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Institution: | a Kittelson & Associates, Inc., 610 SW Alder Street, Suite 700, Portland, OR 97205, United States b The University of Texas at Austin, Center for Transportation Research, 1 University Station D9300, Austin, TX 78701, United States c West Virginia University, Civil and Environmental Engineering, P.O. Box 6103, Morgantown, WV 26506-6103, United States d Evans & Peck Professor of Transport Innovation Director, Research Centre for Integrated Transport Innovation (rCITI) CE110 School of Civil Engineering, UNSW Sydney NSW 2052 Australia |
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Abstract: | This paper and the proposed formulation contribute to an apparent gap in transit research design by integrating equity considerations into the transit frequency-setting problem. The proposed approach provides a means to design transit service such that equitable access to basic amenities (e.g., employment, supermarkets, medical services) is provided for low-income populations or disadvantaged populations. The overarching purpose is to improve access via transit to basic amenities to: (1) reduce the disproportionate burden faced by transit dependent populations; and (2) create a more feasible transportation option for low-income households as an opportunity to increase financial security by reducing dependence on personal autos. The formulation is applied to data from a mid-sized US metropolitan area. The example application illustrates the formulation successfully increases access to employment opportunities for residents in areas with high percentages of low-income persons, as well as demonstrates the importance of considering uncertainty in the locations of populations and employment. |
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Keywords: | Transit network design Equity Accessibility |
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