13 Nov '17, 3pm

Find out more about Low Rail Adhesion and how we minimise the issue:

A detailed explanation of low rail adhesion and measures to combat the problem We know that Metro customers get frustrated by delays to Metro services, especially when the delays are caused by low rail adhesion, which happens as a result of leaf fall in the autumn months. Below is a detailed examination of the issues, and why it can hamper Metro services, and what is being done to prevent the problem from occurring. How can leaf fall cause delays to Metro services? Low rail adhesion is an international problem that affects train companies right across the world. When leaves fall on to the line, particularly in damp or wet weather, the rolling action of passing wheels compresses them, causing a greasy ‘mulch’ to cover the top of the rail. This mulch is to rails what ice is to roads. It reduces the adhesion, or ‘co-efficient of friction’ to use the technical term, between th...

Full article: https://www.nexus.org.uk/metro/guide-metro/leaf-fall-disr...

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