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22 March, 16:58

Name one advantage of the slightly raised roads built by John McAdam on a foundation of crushed rock.

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  1. 22 March, 18:36
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    Slightly road built that invented by McAdam makes the road slightly convex, and would make rainwater that fall on the road to be quickly drained.

    This would prevent the water from damaging the road Foundations.

    Even until today, McAdam's invention is considered as the most effective and economical method of road construction
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