When properly designed traffic signals are used, which one of the following is the advantage of traffic signals ?

When properly designed traffic signals are used, which one of the following is the advantage of traffic signals ? Correct Answer The signals allow crossing of the heavy traffic flow with safety.

Concept:

Traffic Control signals: Traffic control signals are the devices that are used to inform, guide, and control the traffic including pedestrians, motor vehicle drivers, and bicyclists. These devices are usually placed adjacent over or along the highways.

Advantages:

1. Traffic control signals provide for an orderly movement of traffic.

2. They help in reducing the frequency of an accident of some special nature i.e. of right angles accidents.

3. They intercept heavy traffic to allow other traffic to cross the road intersection safely.

4. They provide authority to the drivers to move with confidence.

5. They control the speed vehicles on the main as well as on secondary roads.

6. They direct traffic on different routes without excessive congestion.

7. They provide economy over manual control at the intersection.

8. Pedestrian can crossroads at signalized intersections.

Disadvantages:

1. Traffic control signals may result in a rear-end collision of vehicles

2. They may cause a delay in the quick movement of traffic

Note:

Other traffic control devices are-

1.Road surface markings

2. Traffic Signs – It can be regulatory, warning and informative signs.

3. Rumble strips – these are the roughened surfaces that are either embossed or recessed.

4. Channelizing Islands – it includes rotary, divider etc.