Two-track passenger rail lines typically operate with all trains serving every station. Without additional infrastructure, transit planners have limited options to improve travel times. Service could be improved by operating a skip-stop service where trains only serve a subset of all the station stops. A skip-stop pattern must find an optimal balance between faster passenger travel times and lower service frequencies at each station. A mixed integer formulation is proposed to analyze this tradeoff; however, the mixed integer formulation could not scale efficiently to analyze a large scale commuter line. A genetic algorithm is presented to search the solution space incorporating a larger problem scope and complexity. In a case study of a Midwest commuter line, overall passenger travel time could be decreased by 9.5%. Both analyses can give insights to transit operators on how to improve their service to their customers and increase ridership.
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2012 Joint Rail Conference
April 17–19, 2012
Philadelphia, Pennsylvania, USA
Conference Sponsors:
- Rail Transportation Division
ISBN:
978-0-7918-4465-6
PROCEEDINGS PAPER
Optimizing Skip Stop Service in Passenger Rail Transportation
Samuel L. Sogin,
Samuel L. Sogin
University of Illinois at Urbana-Champaign, Urbana, IL
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Brennan M. Caughron,
Brennan M. Caughron
University of Illinois at Urbana-Champaign, Urbana, IL
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Samantha G. Chadwick
Samantha G. Chadwick
University of Illinois at Urbana-Champaign, Urbana, IL
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Samuel L. Sogin
University of Illinois at Urbana-Champaign, Urbana, IL
Brennan M. Caughron
University of Illinois at Urbana-Champaign, Urbana, IL
Samantha G. Chadwick
University of Illinois at Urbana-Champaign, Urbana, IL
Paper No:
JRC2012-74188, pp. 501-512; 12 pages
Published Online:
July 18, 2013
Citation
Sogin, SL, Caughron, BM, & Chadwick, SG. "Optimizing Skip Stop Service in Passenger Rail Transportation." Proceedings of the 2012 Joint Rail Conference. 2012 Joint Rail Conference. Philadelphia, Pennsylvania, USA. April 17–19, 2012. pp. 501-512. ASME. https://doi.org/10.1115/JRC2012-74188
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