Transportation accounted for 16% of Singapore's overall carbon emissions in 2020. Urban planning and transportation are intimately related. Singapore is renowned for having a reliable urban public transportation system, yet the overly compact street spaces severely restrict non-motorized transit. This research aims to explore how a change in the hierarchy between motorized and non-motorized modes of transportation can lower carbon emissions. It will build on the research done in the first part of the semester. By implementing walkability-oriented development principles, we seek to identify constructive design actions to develop more bicycle- and pedestrian-friendly public commuter routes that efficiently facilitate transfers between non-motorized and public transportation through rule-based design.