This document summarizes a research paper on transit-oriented development (TOD). It begins by defining TOD as compact, mixed-use development within 500-800 meters of transit stations to enable non-motorized transport. It then reviews literature on integrating transportation and land use, and discusses TOD's emergence in the US and Europe. Challenges to implementing TOD include transit design/location, community concerns, zoning not being transit-friendly, and higher development costs/risks. Strategies discussed to incorporate affordable housing in TODs include inclusionary zoning with density bonuses, and establishing a special purpose vehicle to coordinate agencies and facilitate public-private partnerships. The conclusion reiterates arguments for TOD as an alternative