“…Future work aims to better understand these results' implications, especially regarding external factors such as weather, air quality, events, crowd flow, and bike data. Studies [41,42] of the Lisbon bike-sharing system have shown the influence of external factors, such as weather and bike type, in bike use and ride frequency. Moreover, pedestrian walkability, cycleways, bike stations, and bike accident data are of interest to correlate with this study's findings and understand the overall Lisbon urban mobility scenario.…”