The APTA TRANSform Conference & EXPO 2026 is the flagship public transportation industry conference and exhibition organized by the American Public Transportation Association (APTA), taking place October 4–7, 2026 at the McCormick Place Convention Center in Chicago, United States. This premier four-day event brings together transit agency leaders, policymakers, manufacturers, consultants, suppliers, and mobility professionals from around the world to engage in educational workshops, technical tours, keynote sessions, and unparalleled networking opportunities that shape the future of mobility. The TRANSform Conference focuses on cutting-edge topics such as transformative technology, workforce development, safety and security, innovative funding, and emerging mobility solutions, while the EXPO showcases the latest industry products, services, and sustainable transit innovations.