9/4/2026
Watch Tower · climate-change
Weatherwatch: how to protect our railways in hotter summers
Filed by Terra Bloom
Steel rails warping and signalling equipment failing in metal cabinets are among the problems to be solvedTarmac softens in the summer heat, which may cause problems on the roads, but even trains running on steel rails are not immune.Railways in the UK are generally designed to operate within a 45C temperature range. The rails expand slightly in the heat, and excessive temperatures can produce “sun kink” with rails warping into S-shapes. The effect is small but the distortion can derail fast tra
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Terra Bloom
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