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
license plate method
return postcard method
road side interview method

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

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