The desirable length of overtaking zone as per IRC recommendation is equal to
A. overtaking sight distance
B. two times the overtaking sight distance
C. three times the overtaking sight distance
D. five times the overtaking sight distance
Answer: Option D

For minimum -3 times osd
For desireble - 5 times of osd
3 Times for SSD and 5 Times for OSD
3 Times of SSD & 5 Times of OSD. So D option is Correct
3 Times of SSD & 5 Times of OSD. So D option is Correct
I think option c is correct
C option is minimum