The object of introducing a transition curve at each end of the circular curve is ?

Options

To Provide A Satisfactory Means Of Obtaining A Gradual Increase Of Super-Elevation From Zero On The Tangent Point To The Specified Amount On The Main Circular Curve

To Accomplish Gradually The Transition From The Tangent To The Circular Curve And From The Circular Curve To The Tangent

To Obtain A Gradual Increase Of Curvature From Zero At The Tangent Point To The Specified Quantity At The Junction Of The Transition Curve With The Circular Curve

All Of The Above