According to I.R.C. recommendations, the absolute minimum radius of curve for safe operation for a design speed of 100 Kilometer per Hour is -

Dnyan Deshmukh

Staff member
According to I.R.C. recommendations, the absolute minimum radius of curve for safe operation for a design speed of 100 Kilometer per Hour is -

(a) 100 m

(b) 200 m

(c) 300 m

(d) 400 m.

The correct Answer Is
(d) 400 m
 
  • Like
Reactions: Sumit Civil

Atw

Newbie
e+f =v(sq.)/127R where,e=0.07 & f= 0.15 so the answer is approx. 357 as it is for maximum superelevation so for safest value it will be 400