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

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Highway Engineering
Length of a vehicle affects

extra width of pavement and minimum turning radius
width of traffic lanes
width of shoulders and parking facilities
clearance to be provided under structures such as overbridges, under-bridges etc.

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