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The following data is given for a horizontal highway curve having 2 lanes with Lane width...

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Civil Engineering

The following data is given for a horizontal highwaycurve having 2 lanes with Lane width of 3.65 m each: Ruling designspeed is 110kmph, Allowable rate of change of circular acceleration= 0.5 to 0.8. Allowable rate of introduction of super-elevation = 1in 144, Take maximum allowable superelevation and lateralfrictional co-efficient is 0.15.


Calculate the length of a transition curve for following cases.

Rate of change of centrifugal acceleration(C).


Rate of introduction of super-elevation.


Using empirical equations for plain and mountainousterrain.


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