Student Theses

Date of Award

Spring 5-29-2026

Document Type

Thesis

Language

English

First Advisor

Dr. Arthur O’Connor

Abstract

This study examines structural mobility access across New York City census tracts by constructing a tract-level Mobility Access Index (MAI) that integrates employment accessibility, hospital accessibility, and first-mile subway walking burden using MTA GTFS transit data, NYC Taxi and Limousine Commission trip records, and US Census American Community Survey demographic estimates. Three OLS regression models, supplemented by Lasso, Elastic Net, and Random Forest specifications, test whether structural access gaps are associated with short-distance connector trip intensity and per-worker connector cost burden. Results show that MAI varies substantially across tracts, with high access concentrated in Manhattan and along major subway corridors. Lower structural access is modestly associated with greater connector trip reliance and is more strongly associated with higher per-worker connector cost burden. An exploratory interaction suggests that this burden falls disproportionately on lower-income neighborhoods, consistent with transport justice concerns regarding the uneven distribution of mobility costs.

Comments

City University of New York (CUNY) - School of Professional Studies

Master of Science in Data Science

DATA 698 - Analytics Master's Research

May 2026

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