what are mettald roads and non mettald road
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Metalled roads are the roads made of successive layers of smaller stones, until the road surface was composed of small stones compacted into a hard, durable surface. These are made up of cement concrete or coal tar. Roads made up of mud and gravel which are generally found in the rural areas is unmetalled roads.
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Answer:
Metalled roads are the roads made of successive layers of smaller stones, until the road surface was composed of small stones compacted into a hard, durable surface. These are made up of cement concrete or coal tar. Roads made up of mud and gravel which are generally found in the rural areas is unmetalled roads.
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