Highway Engineering
In highway construction on super elevated curves, the rolling shall proceed from

upper edge towards the lower edge
sides towards the centre
centre towards the sides
lower edge towards the upper edge

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Highway Engineering
The direct interchange ramp involves

diverging to the right side and merging from left
diverging to the left side and merging from left
diverging to the right side and merging from right
diverging to the left side and merging from right

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