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Q: Which of the following is the main function of “Submerged” kerbs in rural roads?
  • A. To prevent animals to come on the road
  • B. To provide parking space
  • C. To prevent water logging on the road
  • D. To provide lateral confinement to the base course in flexible pavement
Correct Answer: Option D - Submerged kerbs– • They are used in rural roads. • The kerbs are provided at pavement edges between the pavement edge and shoulders. • They provide lateral confinement and stability to the pavement. • It is also known as class iv kerb.
D. Submerged kerbs– • They are used in rural roads. • The kerbs are provided at pavement edges between the pavement edge and shoulders. • They provide lateral confinement and stability to the pavement. • It is also known as class iv kerb.

Explanations:

Submerged kerbs– • They are used in rural roads. • The kerbs are provided at pavement edges between the pavement edge and shoulders. • They provide lateral confinement and stability to the pavement. • It is also known as class iv kerb.