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Question

The extra width required for a road of carriageway 7.5 m on a horizontal curve of radius 400 m will be ______ m.
[Consider length of longest wheel base as 6.1 m and design speed as 80 km/hr]
  1. 0

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Solution

The correct option is A 0
Radius>300 m

Therefore, as per IRC, extra widening is not required.

We=0

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