While deriving the formulae for the length of valley curve, it is assumed that the head light is
A. 0.25 m
B. 0.5 m
C. 0.75 m
D. 1 m
Answer:C
While deriving the formulae for the length of valley curve, it is assumed that the head light is
A. 0.25 m B. 0.5 m C. 0.75 m D. 1 m