Why are metalled road better than unmetalled roads ? What is role of
border road and national highway in transportation ?
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Answered by
5
Answer:
metalled roads are better because there is a risk of road sliding in unmetalled roads during rain. (as they are made from mud and stones)
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3
Answer:
Explanation:
The reason is that metalled roads have a waterproof coating on the upper surface, making them usable in all seasons. Metalled roads are all weather roads, whereas unmetalled roads are difficult to use in the rainy season, as their upper surface becomes uneven due to absorption of rain water.
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