Abstract Public transportation is a critical component of cities' transportation system that can be supported by a safe, complete, and connected pedestrian infrastructure. Agencies spend millions of dollars each year to improve transit ridership, yet many of the transit destinations do not have adequate pedestrian infrastructure to connect to the transit stops creating a substantial barrier to growing demand. This is particularly true in suburban areas. This paper presents a replicable methodology for estimating relative parcel-level transit demand such that analysts can conduct fine-grained evaluation and prioritization of the pedestrian network enhancements as they relate to public transit system. To this end, pedestrian infrastructure can boost transit ridership and enhance riders' safety. We rely on spatial data available in most cities coupled with land use and socioeconomic data to generate potential relative number of walk-to-transit trips for each parcel and weight the occupied road segments based on the results from mode choice and gravity models. Using this GIS-based tool, we identify road segments that have a higher potential in serving as a walking path to transit stops and prioritize gaps in existing sidewalk infrastructure. This result eliminates arbitrary sidewalk investment scoring programs and the reliance on transit walksheds to direct investment. We apply this method to a case study of the city of Knoxville and discuss the challenges and possible solutions. This approach can help city planners and engineers in data-oriented investment strategic management of sidewalk enhancement programs that support transit.
Highlights We developed a walk-to-transit road segment demand tool with parcel-level data. This GIS-based tool can help prioritize pedestrian infrastructure improvements. Relies on mode choice and gravity models to enable strategic sidewalk investment. Higher demands are in CBD, lower income neighborhoods, and closer to the bus stops. Sensitivity analysis results reveal factors to improve investment priorities.
Walk-to-transit demand estimation methods applied at the parcel level to improve pedestrian infrastructure investment
2021-03-03
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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