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What is the primary purpose of providing adequate formation width for highway drainage?

29. What is the primary purpose of providing adequate formation width for highway drainage?

1. To minimize maintenance costs
2. To prevent flooding
3. To reduce environmental impact
4. To improve pavement durability

Answer

The correct answer is: B) To prevent flooding

Explanation

Adequate formation width allows for proper drainage design, which is crucial for preventing water accumulation and subsequent flooding on the highway.