Xiang 'Jacob' Yan

Projects by Topic

A spatiotemporal analysis of transit accessibility to low-wage jobs

This study presents a spatiotemporal analysis of transit accessibility to low-wage jobs and of the accessibility disparity between traveling by car and by public transit in Miami-Dade County, Florida. We find that drivers enjoy several times higher levels of accessibility to low-wage jobs than transit riders. The accessibility gap is smaller during peak hours and in the downtown Miami area, where auto accessibility is about three times that of transit accessibility; for most suburban and rural locations, auto accessibility is more than ten times higher than transit accessibility.

Key words: accessibility, public transit, transport equity, access disparity

Yan, X., Bejleri, I., Zhai, L. (2022). A spatiotemporal analysis of transit accessibility to low-wage jobs in Miami-Dade County. [Download Preprint]. Journal of Transport Geography, 98, 103218. https://doi.org/10.1016/j.jtrangeo.2021.103218

Toward accessibility-based transportation planning

In this research, I address a major conceptual obstacle to accessibility-based planning: research and planning practice frequently treat accessibility’s benefits as equivalent to the travel-cost savings (TCS) realizable at a location. I argue that accessibility improvements can result in not only TCS but also destination utility gains, which means the individual satisfaction from interacting with or choosing desirable destinations.

Key words: accessibility, travel cost, public transit, resilience location choice

Yan, X. (2021). Toward accessibility-based planning: Addressing the myth of travel-cost savings. [Download Preprint]. Journal of the American Planning Association, 87 (3), 409-423.