Mary, the tunnel boring machine, makes her state-of-the-art turnaround.
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Mary, the tunnel boring machine, has completed the first half of her mission to build two tunnels for the Hampton Roads Bridge-Tunnel Expansion, the largest highway project in Virginia history.
VIEW THE BREAKTHROUGH
Take a tour of the project with Ryan Banas as he shares the latest update and construction progress on the HRBT Expansion Project.
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Learn about the engineering used to bore the new, two-lane twin tunnels.
LEARN MOREThe US$3.9 billion HRBT Expansion is the largest highway construction project in Virginia’s history. The project partnership is 92% paid for by HRTAC with regional controlled funds and aims to ease congestion along a nearly 10-mile corridor on Interstate-64 through the addition of twin, two-lane bored tunnels under the harbor from Hampton to Norfolk and the widening of four-lane segments.
CORRIDOR CONCEPT VIDEO OF THE NEW HRBT TUNNELS AND BRIDGE WIDENING
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Last updated: January 10, 2025
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