New digging method will expand Hampton Roads Bridge-Tunnel

Some of the world’s most sophisticated tunnel technology will be used to expand the Hampton Roads Bridge-Tunnel. The Daily Press reported Thursday that contractors will use a massive machine to dig through the soil under Hampton Roads Harbor. The digging will be a change from the previous method used to build or expand bridge tunnels in coastal Virginia. That method involved submersing prefabricated pieces of tunnel into a trench. Contractors will add a new bridge-tunnel parallel to the existing ones that carry Interstate 64 from Norfolk to Hampton.


Source: The Virginian-Pilot

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