The History of Pavement and Invention of Macadam Road

19 Nov 2021

What is the name of the road made out of crushed, packed stones/gravel and clay?

a. Macadam road

b. Asphalt road

Answer:

a. Macadam road

John McAdam of Scotland created the macadam pavement type in the 18th century. The cross section of McAdam's road was made out of a compacted subgrade of crushed granite or greenstone intended to hold the weight. Macadam roads are known for their durability and ability to support heavy loads.

These roads were topped by a covering of light stone to absorb wear and tear and shed water into the drainage ditches.

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What is the name of the road made out of crushed, packed stones/gravel and clay?

Answer:

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