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Which of the following is a key component of a flexible pavement structure?
45. Which of the following is a key component of a flexible pavement structure?
- Subbase
- Expansion joints
- Reinforcing steel
- Curb and gutter
Answer
The correct answer is: A) Subbase
Explanation
The subbase layer provides additional support and drainage for the pavement structure above it, contributing to the overall performance of flexible pavements.