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US: Mary the Tunnel Boring Machine makes a U-turn to prepare for journey home after HRBT expansion work
according to the Virginia Department of Transportation (VDOT).
cover tunnel photo by: Matt Brown from London, England / CC BY
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https://www.wtkr.com/transportation/mary-the-tunnel-boring-machine-makes-a-u-turn-to-prepare-for-journey-home-after-hrbt-expansion-work
Mary the Tunnel Boring Machine makes a U-turn to prepare for journey home after HRBT expansion work
www.wtkr.comMary the Tunnel Boring Machine, has fully emerged from her newly bored tunnel and been turned around by crews, according to the Virginia Department of Transportation (VDOT).