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Width of pavement on curved road shall will be more than width of pavement on straight road to full fill following objective:   1>  To take care of off tracking due to rigidity of wheel base .   Note : Deviation of path traverse by fornt and rare axal of any vehicle on curved road is known as off tracking . 2> To counter act transverse skiding of vehicle . 3>...

TRANSITION CURVE It is provide in between straight and circular so that radius is gradually from infinite to R.  Objective of transition curve  1> To gradually introduce the centrifugal force in between straight and circular . 2> To gradually introduce super...