Social and Behavioral Sciences Commons^™

Identification Of Transit Service Gaps Through Accessibility And Social Vulnerability Mapping In Miami-Dade County, Hartwig H. Hochmair, Eli Brossell, Zhaohui J. Fu

GIS Center

Inadequate provision of public transportation services can lead to mobility-related social exclusion for disadvantaged population groups (e.g., lower-income families, the elderly), and limited accessibility to jobs, healthy food, and recreational as well as social activities. The aim of this study is to identify areas in Miami-Dade County, Florida, where disadvantaged populations lack transit-based access to these opportunities, and where transit service improvement could benefit these groups especially. This involves developing a transit-based accessibility index which uses timetable data from three public transit agencies. It also entails devising a vulnerability index based on a combination of socioeconomic variables to identify disadvantaged …