Advantages and disadvantages of traffic control signals on road

Advantages of traffic control signals on the road

• Traffic control signals provide for an orderly movement of traffic.
• They help in reducing the frequency of an accident of some special nature i.e. of right angles accidents.
• They intercept heavy traffic to allow other traffic to cross the road intersection safety.
• They provide authority to the drivers to move with confidence.
• They control the speed of vehicles on main as well as on secondary roads.
• They direct traffic on different routes without excessive congestion.
• The provide economy over manual control at the intersection.

The disadvantage of traffic control signals on the road

• Traffic control signals may result in a re-entrant collision of vehicles.
• They may cause a delay in the quick movement of traffic.