Highway Engineering
Nagpur road plan formula were prepared by assuming

rectangular or block road pattern
radial or star and grid road pattern
radial or star and circular road pattern
radial or star and block road pattern

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Highway Engineering
In case of summit curves, the deviation angle will be maximum when

an ascending gradient meets with a level surface
an ascending gradient meets with a descending gradient
a descending gradient meets with another descending gradient
an ascending gradient meets with another ascending gradient

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