# Traffic capacity

#### ByCivilelite

Sep 23, 2023

Question

Traffic capacity ____.

A. represent the maximum number of vehicles that can pass a cross roads during the signal’s green time

B. represent the capacity of the roadway to accommodate traffic volume in terms of vehicles/hr

C. represent the number of vehicles occupying the full width of the road at a given instant expressed as vehicles / road width

D. represent the number of vehicles occupying a unit length of roadway at a given instant expressed as vehicles /km

Answer: Option B – represent the capacity of the roadway to accommodate traffic volume in terms of vehicles/hr

Explanation:

Traffic Volume Study is defined as the study of number of vehicles crossing a section of road per unit during any selected period.

Traffic density is the amount of traffic per unit of road length i.e. vehicles per kilometer

Traffic Capacity:
➢ It is expressed as the maximum number of vehicle in a lane or a road that can pass a given point in unit time, usually an hour. ➢ Volume represent an actual rate of flow where as capacity indicates a maximum rate of flow with a certain level of service.

Traffic characteristics is the most essential prerequisite for any improvement of traffic facilities.

• The traffic characteristics includes road users characteristics and vehicular characteristics.The physical, mental and emotional characteristics of human beings are to be given particular attention.
• The vehicular characteristics includes study of various parameters of vehicles like dimensions, weight, maximum turning radius, speed, braking system, lighting system, tyres, etc.