White Rails are the Infrastructure Hack We Didn’t Know We Needed
Railroads, despite being a 19th-century technology, continue to be vital for modern freight transportation and have seen innovative improvements, such as painting rails white to reduce heat. This technique, which lowers rail temperatures by up to 11°C, helps prevent thermal expansion issues that can slow trains and reduce freight capacity during hot weather. The method, first used in Italy and later adopted by Union Pacific Railroad, is now being implemented in Europe to combat extreme heat. This simple and effective solution demonstrates how low-cost, practical innovations can enhance infrastructure resilience.
Railroads are using white paint on tracks to reduce heat, helping trains maintain speed and cargo capacity during hot weather.
This simple, low-cost solution improves infrastructure resilience and efficiency in the face of rising global temperatures.
It shows how everyday innovations can address big challenges, offering a practical example of problem-solving for a changing climate.
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