Minimum length of a transition curve required for

A)
2° curves for a maximum permissible speed of 135 km/hr, is 220 metres
B)
4° curves for a maximum permissible speed of 95 km/hr, is 220 metres
C)
6° curves for a maximum permissible speed of 80 km/hr, is 220 metres
D)
All of the above

Correct Answer :   All of the above