Saturday, July 9, 2011

Slippery rail

Slippery rail is a condition of railroads caused by fallen moist leaves that lie on and cling to the top surface of the rails of railroad tracks. The condition results in significant loss of friction between train wheels and rails, and in extreme cases can render the track temporarily unusable. In Britain, the situation is colloquially referred to as "leaves on the line".

No comments:

Nine holes

  Nine holes is a two-player abstract strategy game from different parts of the world and is centuries old. It was very popular in Englan...