In a recent paper led by Daniel Romm, Priyanka Verma, and colleagues from MITRE Corporation, we explore the differences in first-mile and last-mile multi-modal bike-share/transit trips in Boston, MA.  The paper was published in the Visualising Transport Geography section of the Journal of Transport Geography.  Check it out here:  https://www.sciencedirect.com/science/article/pii/S096669232200093X?dgcid=coauthor