A transition curve is provided on a circular curve on a highway to provide 1. Gradual introduction of centrifugal force 2. Minimum stopping sight distance 3. Gradual introduction of superelevation 4. Comfort and security to passenger

A transition curve is provided on a circular curve on a highway to provide  

1. Gradual introduction of centrifugal force 

2. Minimum stopping sight distance 

3. Gradual introduction of superelevation 

4. Comfort and security to passenger

A. 1, 2 and 3

B. 1, 3 and 4

C. 2,3 and 4

D. 1, 2 and 4

The correct answer is option 'B. 1, 3 and 4'. Can you explain this answer?

Book For Transportation Engineering MCQs and Solved Question - CLICK TO VIEW