ANS:A - traffic volume

TRAFFIC CAPACITY:

➢ It is expressed as the maximum number of vehicles in a lane or a road that can pass a given point in unit time, usually an hour.
➢ Volume represents an actual rate of flow whereas capacity indicates a maximum rate of flow with a certain level of service
➢ Level Crossing: The Point at Which Railway Track Pass through the road
➢ Road Intersection: The Two More Road Cross Each Other.
➢ Surface Texture: If the Surface of the Road is a Good Condition Then the Traffic Moves Fast Other Wise Slow.