Highway Engineering
With increase in speed of the traffic stream, the maximum capacity of the lane

first decreases and then increases after reaching a minimum value at optimum speed
increases
decreases
first increases and then decreases after reaching a maximum value at optimum speed

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

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