Why do Autumn Leaves Cause Train Delays?

Why do ‘leaves on the line’ cause train delays, especially in autumn? The serious danger comes from a series of physics challenges: Leaves are sucked onto the tracks by the fast moving trains. The train wheels crush them into a slimy black pulp, releasing leaf oils that lessen friction. Mixed with rain, this super thin…… Continue reading Why do Autumn Leaves Cause Train Delays?