Question

What are the techniques of construction of modern roads? who invented those methods? Industrial revolution​

Answer 1

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The most common modes of construction are Earth road method, Gravel road, bituminous road; water bound macadam and concrete cement method.

Answer 2

The British engineer John Macadam introduced what can be considered as the first scientific road construction method.Today in America, most of our roadways and streets are paved with asphalt concrete. Asphalt concrete is a simple product in appearance produced primarily by adding asphalt cement to sand and rock.