China’s mega-city clusters are woven together by dense public transport networks that link major sights with fast-growing suburbs via metro, bus, intercity rail, BRT, and smart shared mobility. Mastering efficient routing and the Alipay Transit QR code not only saves money but also lets you experience the authentic pulse of each city. This guide covers transport modes, ticketing and payment, real-world use cases, safety advice, FAQs, and more to help international travelers and independent adventurers quickly adapt to China’s transit ecosystem.