When the speed of traffic flow becomes zero,then
A. traffic density attains maximum value whereas traffic volume becomes zero
B. traffic density and traffic volume both attain maximum value
C. traffic density and traffic volume both become zero
D. traffic density becomes zero whereas traffic volume attains maximum value
Answer:A
When the speed of traffic flow becomes zero,then
A. traffic density attains maximum value whereas traffic volume becomes zero B. traffic density and traffic volume both attain maximum value C. traffic density and traffic volume both become zero D. traffic density becomes zero whereas traffic volume attains maximum value