Sea-crossing Bridge

Hong Kong-Zhuhai-Macao Bridge



It is the longest six-lane immersed tunnel and the longest bridge-tunnel highway bridge crossing the sea in the world. The bridge connects three cities with the highest domestic standard. The total length of the bridge is 49.968km with the 35.578km long “submarine tunnel” accounting for the major part. The main engineering of submarine tunnel and Zhuhai extension were built according to the standards of six-lane highway with designed speed in 100km/h and designed life for 120 years.