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 ?

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

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Highway Engineering
In soils having same values of plasticity index, if liquid limit is increased, then

Compressibility and permeability increase and dry strength decreases
Compressibility, permeability and dry strength increase
Compressibility, permeability and dry strength decrease
Compressibility and permeability decrease and dry strength increases

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