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 ?

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

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Highway Engineering
Select the correct statement.

More the value of CBR, greater thickness of pavement will be required
More the value of group index, less 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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