Highway Engineering
Which of the following methods is preferred for collecting origin and destination data for a small area like a mass business center or a large intersection ?

home interview method
road side interview method
return postcard method
license plate method

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Highway Engineering
Select the correct statement.

More the value of group index, less thickness of pavement will be required
More the value of CBR, greater thickness of pavement will be required
All of these
Minimum and maximum values of group index can be 0 and 20 respectively

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

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

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