VDOT - HRBT: How a Tunnel-Boring Machine (TBM) Operates

  Рет қаралды 20,287

Virginia Department of Transportation

Virginia Department of Transportation

5 жыл бұрын

The Hampton Roads Bridge-Tunnel Expansion project eases congestion by widening the four-lane segments of the I-64 corridor in the cities of Hampton and Norfolk. Twin two-lane bored-tunnels will be built just west of the existing eastbound tunnel.

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