Measuring the impacts of disruptions on public transit accessibility and reliability
Published in Journal of Transport Geography, 2024
Football games can disrupt public transit; not just near the stadium, but everywhere all at once.
Selected publications
Disparities in public transit accessibility and usage by people with mobility disabilities: An evaluation using high-resolution transit data
Published in Journal of Transport Geography, 2023
Public transit is criminally unfair for people with mobility disability.
Measuring the impacts of dockless micro-mobility services on public transit accessibility
Published in Computers, Environment and Urban Systems, 2022
Scooters can help you travel better in a public transit system; Well, if you are in the right place… and you have money… and you do not bring too many friends with you…
Realizable accessibility: evaluating the reliability of public transit accessibility using high-resolution real-time data
Published in Journal of Geographical Systems, 2022
Accessibility is unrealiable. How to build a realizable and human-centric accessibility measure for transit users that cannot outrun buses and predict the future?
The impacts of COVID-19 pandemic on public transit demand in the United States
Published in PLOS ONE, 2020
COVID quarantine is bad, but having to transit during COVID is worse. We used smartphone data to measure the dynamics and dimensions of COVID-19 related transit demand decline from Feb to May 2020.
Does real-time transit information reduce waiting time? An empirical analysis
Published in Transportation Research Part A: Policy and Practice, 2020
Revisiting the benefit of RTI on the wait time of different users and the answer is surprising. No, RTI does not always help people.
Measuring risk of missing transfers in public transit systems using high-resolution schedule and real-time bus location data
Published in Urban Studies, 2020
Hate transfer? This paper introduced a systematic method to measure the risk of missing transfers with GTFS real-time data; in other words, how bad you should hate transfers.
Assessing public transit performance using real-time data: spatiotemporal patterns of bus operation delays in Columbus, Ohio, USA
Published in International Journal of Geographical Information Science, 2020
Delay is a primary indicator of transit and we used GTFS to measure that. It changed, a lot.