Monday, December 22, 2008

Beware black ice, it's moistness on roads that freezes, and so isn't as visible as a frozen puddle

The 3,150m long Lefortovo tunnel in Russia, (near Poland) is the longest in-city tunnel in all of Europe. It is nicknamed "The Tunnel of Death."

See for yourself why. There is a river running over the tunnel and water leaks through in some areas. When the temperature reaches nearly 0°C like it does during the winter in Russia, the road freezes and becomes a sheet of black ice.

The result is the attached video which was taken during asingle day with the tunnel surveillance camera. Congratulations to the dual-carriage bus driver -- imagine the passengers in the back! What a ride!

Thanks to Mike!

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