The provision of traffic signals at intersections______________?

A. Reduces right angled and rear end collisions
B. Increases right angled and rear end collisions
C. Reduces right angled collisions but may increase rear end collisions
D. Reduces rear end collisions but may increase right angled collisions

“Dead Slow” is a______________?

A. Regulatory sign
B. Warning sign
C. Informatory sign
D. None of the above

The most efficient traffic signal system is________________?

A. Simultaneous system
B. Alternate system
C. Flexible progressive system
D. Simple progressive system

Which of the following is indicated by a warning sign ?

A. Level crossing
B. No parking
C. End of speed limit
D. Overtaking prohibited

On a right angled road intersection with two way traffic, the total number of conflict points is______________?

A. 6
B. 11
C. 18
D. 24

Scientific planning of transportation system and mass transit facilities in cities should be based on_____________?

A. Spot speed data
B. Origin and destination data
C. Traffic volume data
D. Accident data

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

The background colour of the informatory sign board is______________?

A. Red
B. Yellow
C. Green
D. White

The diagram which shows all important physical conditions of an accident location like roadway limits, bridges, trees and all details of roadway conditions is known as_____________?

A. Pie chart
B. Spot maps
C. Condition diagram
D. Collision diagram

If the stopping distance and average length of a vehicle are 18 m and 6 m respectively, then the theoretical maxi¬mum capacity of a traffic lane at a speed of 10 m/sec is________________?

A. 1500 vehicles per hour
B. 2000 vehicles per hour
C. 2500 vehicles per hour
D. 3000 vehicles per hour