Evaluating the Impact of a Proposed High-speed Rail (HSR) on Modal Competition for Intercity Travels

Authors: Hongbo Yu*, Oklahoma State University, Yun Zhao, University of Illinois at Springfield
Topics: Transportation Geography, Spatial Analysis & Modeling, Geographic Information Science and Systems
Keywords: High-speed rail (HSR), door-to-door travel time, accessibility analysis, modal competition, catchment area delineation
Session Type: Poster
Day: 4/6/2019
Start / End Time: 8:00 AM / 9:40 AM
Room: Lincoln 2, Marriott, Exhibition Level
Presentation File: No File Uploaded

High-speed rail (HSR) is gaining increasing interests in the United States due to its popularity and success in Europe and Asia. A HSR system, which operates at a higher speed than traditional trains and usually has their stations located close to city center, is deemed capable of delivering faster door-to-door travel service for medium-distance range intercity travels and therefore considered a competitive alternative to existing air and road transport. However, as many U.S. cities observe a more spatially dispersed urban form, a HSR system may not maintain its faster service advantage to other travel modes throughout the entire city area. In this study, we adopted a door-to-door travel time framework and developed a city-pair-specific catchment area delineation method to evaluate the variation of HSR’s advantage to other existing travel modes across the city. Using the proposed Dallas-Houston HSR route as an example, we implemented the method to evaluate how such a system may affect the door-to-door travel time for intercity trips between the two cities and where HSR maintains advantage to the existing air and road transport services for intercity trips. The results can help policymakers and transportation authority better evaluate the accessibility benefits of HSR at a finer spatial scale (i.e., sub-city level) when facing competition from existing intercity travel services in the region.

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