Phase two of Operation Stack is in operation on the M20, meaning coastbound traffic is taken off the motorway at junction eight and lorries heading for the Channel Tunnel or Port of Dover put back, but held in a queue.

BBC: Kent snow and ice causes disruption

Part of the M20 in Kent remains closed as police and port officials continue to regulate freight traffic heading for Dover and the Channel Tunnel.

BBC: M20 in Kent still disrupted by cross-channel backlog

Until then, the No. 1 train will roll through the century-old tunnel as it loops around its last, lower Manhattan stop before heading uptown again.

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Heading south toward Marahau, the branches and foliage provide a lush tunnel that protects walkers from the sun and the rain.

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