Network flow-based strategies for identifying rail park-and-ride facility locations |
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Authors: | Mark W. Horner [Author Vitae] Sara Groves [Author Vitae] |
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Affiliation: | a Department of Geography, The Florida State University, 323 Bellamy Building, Tallahassee, FL 32306-2190, USA b Department of Geography, Texas State University-San Marcos, 601 University Drive, San Marcos, TX 78666-4616, USA |
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Abstract: | Many cities are considering introducing or expanding rail service in an effort to diversify their modal splits. Park-and-rides are integral to this strategy because they represent private auto users’ access points to the system. Proper placement of such facilities is a strategic location decision, as it can conceivably decrease vehicular traffic on congested roadways while benefiting users. This paper models the decision to locate park-and-ride facilities in a network flow-based framework. From this perspective, optimal placement occurs at locations where vehicles will encounter facilities early during their journeys to a centralized area or major activity center. Locating park-and-rides in this fashion maximizes the chances of removing users from the network. These elements are demonstrated in three hypothetical placement scenarios that make use of synthetic network and traffic flow data. Results illustrate the functionality of our approach for identifying park-and-ride candidate locations. Lastly, implications of our work are discussed in light of broader planning concerns and practical demands on rail facility location. |
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Keywords: | Rail transit Park-and-rides Network flow capture Transportation planning |
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