Our Capstone project, *OpenPaths*, develops an intelligent transit planning system that generates personalized and accessibility-aware travel itineraries for urban users, especially elderly and wheelchair users. The system integrates large language models with routing tools and real-time data (e.g., transit, micromobility, and accessibility datasets) to provide coordinated, end-to-end trip planning. A key contribution is combining routing optimization with accessibility evaluation using a generalized travel cost function and gravity-based accessibility metrics. This allows us to quantify equity impacts by comparing accessibility between baseline and wheelchair-constrained scenarios. Ultimately, OpenPaths aims to improve both individual travel experience and system-level fairness in urban mobility.