Highway Engineering - Engineering

Q1:

Pick up the correct statement from the following:

A Safety fences are provided on either side of a roadway if embankments are in excess of 6 metres

B Safety fences are provided on outside of the curves of radii less than 750 m if the embankments are between 3 metres and 6 metres

C Guard stones are provided at 2.5 metres intervals if embankments are between 1.6 metres to 3 metres

D All the above.

ANS:D - All the above.

Please confirm it via IRC code refference.