ALL branches of applied science have made rapid progress during the last quarter of a century, and not least that of the science of road building. During this time, we have seen the transformation of our roads from the dusty and pot-holed surfaces of the horse-driven carriage and early motor age to the smooth and clean highways of to-day, and with it the very face of England has also changed in a way that at one time would have been deemed impossible. Physics, chemistry and geology have all been pressed into the service of the highway branch of civil engineering, so that it has been transformed from empiricism to something approaching an exact science.

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DOI

https://doi.org/10.1038/140441a0

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