asked 233k views
4 votes
Who was known for slightly raised roads on a foundation of crushed rock that drained well and held up to heavy traffic?

2 Answers

4 votes
It might be John McAdams not fully sure
answered
User Ranjith V
by
8.7k points
1 vote
John McAdam. "He laid a foundation of crushed rock that raised a roadbed a few inches above the surrounding ground."
answered
User Brian McKelvey
by
7.5k points
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