Huangpu Avenue radiation within loop design for a 780-metre underground tunnel, ensures that the rapid transportation needs, and not because of the destruction of streetscape construction Viaduct.

• 内环路黄埔大道放射线设计了一段780米长的地下隧道，既保证了快速交通的需要，又不会因为建设高架路而破坏街道景观。