People Daily report "Xiamen Second West Passage"-Xiamen Haicang Tunnel officially open to social vehicles for trial use. Xiamen is "Four Bridges and Two Tunnels" (Xiamen Bridge, Jimei) Bridge, Xinglin Bridge, Haicang Bridge, Xiang’an Tunnel, Haicang Tunnel) times.

Haicang Tunnel has 7.1 kilometers. Tunnel is 6.3 kilometers. Undersea tunnel part 2.8 kilometers. Deepest point is 71.2 meters under sea level.

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