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A. circular
B. cubic parabola
C. Lemniscate
D. spiral
In Case of Transition Curves, If Traffic Coondition Is Mixed then Provision of Speed is Ltd. to 60% of Max.Speed of Vehicle. One side of Curve will Higher then the other side for the case of accident of Traffic.
Another 'Brainstorming' question! Thanks.
I would choose Option:
D. spiral
Spiral. The extra widening is generally provided fully on the inner side of the curve.
TRANSITION CURVES, IN CASE IF TRAFFIC CODITION IS MIXED THEN PROVIDE SPEED AS 75% OF MAXIMAM
The mostly used transition curve in hill roads is the Spiral
The transition type of curves generall provided on hill roads is spiral