  The tool developed as a result of this paper analyzes the ease and equity of
access to major POI categories (e.g. vaccination centers, grocery stores,
hospitals) using public transit in major U.S. cities. We built an interactive
website that enables easy exploration of current access equity and allows
performing scenario analysis by introducing/removing POIs. Accessibility
indices were calculated using a 2SFCA (2-step floating catchment area)
approach, and ML methods were utilized for exploratory statistical analysis of
the results.
