Railway sleepers made from waste plastic, including recycled bumper scrap and old computer cases could be putting in an appearance on railway tracks soon. A UK company is making sleepers from waste polystyrene and polyethylene. Polystyrene is commonly used in disposable coffee cups, and polyethylene is more likely to be seen hanging from trees in the form of plastic bags. But the longevity of this plastic means that railway sleepers made using it can potentially last for centuries.
View the full article