137k views
1 vote
How were macadam roads were made

User Rohan West
by
8.7k points

1 Answer

4 votes
Macadam roads were made out of compacted subgrade of crushed granite or greestone designed to support the load, covered by a surface of light stone to absorb wear and tear and shed water to the drainage ditches.
User Soroush Rabiei
by
7.9k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.