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

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

ANSWER DOWNLOAD EXAMIANS APP

Highway Engineering
A traffic rotary is justified where

space is limited and costly
when traffic volume is more than 5000 vehicles per hour
when traffic volume is less than 500 vehicles per hour
number of intersecting roads is between 4 and 7

ANSWER DOWNLOAD EXAMIANS APP