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The psycholog...

Question

The psychological extra widening to be provided for a curve having radius 260 m and design speed as 80 kmph is _______m.
0.522

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Solution

The correct option is A 0.522
Psychological extra widening is given by

$W_{p} = \frac{V}{9.5 \times \sqrt{R}}$

$= \frac{80}{9.5 \times \sqrt{260}}$

$= 0.522 m$

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