2025-05-28 05:35 | 0 阅读 The Yangtze River Delta Megaregion: Shanghai's 2025 Economic Orbit and Its Satellite Cities Section 1: The Infrastructure Backbone1. Transportation Network:- 1,200km regional maglev loop connecting all major cities- Underground hyperloop system with 25-minute Shanghai-Suzhou travel- Autonomous vehicle corridors with dedicated smart lanes2