For the following data of a plain terrain which of the following is /are true
Design speed = 65 kmph
Radius of the curve = 220 m
Pavement width including extra widening = 7.5 m1
Rate of change of centrifugal acceleration is 0.57 m/sec3
2
Length of transition curve recommended by IRC is 19.22 m
3
Length of transition curve by rate of change of radial acceleration is 47.1 m
4
Rate of change of centrifugal acceleration is 0.57 cm/sec3