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Advantages of macadamized roads.

Answer Text:
Advantages of macadamized roads.
(a) They were durable with three layers of small broken stones.
(b) They were cheap to construct using stones as the basic material for construction.
(c) They had a smooth motoring surface since the gravel layer was bound together by the weight of vehicles.
(d) They were straight hence reduced occurrence of accidents.
(e) They were easily drained due to their smooth surface and being raised.