VIDEO – Seven news takes us for a behind the scenes look at the M1 to M2 Northconnex tunnel.

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A look inside the NorthConnex tunnel as it nears completion

Pennant Hills: It's described as the new generation of traffic tunnels, and 7NEWS has been given an exclusive look as it nears completion.The NorthConnex tunnel is the deepest in Australia, promising to slash travel times and bypass dozens of traffic #7NEWS

Posted by 7NEWS Sydney on Sunday, 15 December 2019
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