The type of engineering which deals with the improvement of traffic regulation is known as traffic engineering.
Such signs which are used for controlling traffic are known as traffic signs.
Classes of traffic signs:
- Mandatory signs
- Alerting signs
- Guide signs
Such a type of signals which are functioned for controlling flow of traffic properly is known as traffic signals. These are functioned electronically.
Purpose of traffic signals:
Following are the purposes.
- For an organized movement of traffic
- To avoid accidents traffic signals are made
- To reduce speed of over speed vehicles
- To regulate traffic in different directions
Types of signals:
- Traffic control signals
- Pedestrian signals
- Special traffic signals
Traffic control signals:
The type of signals which are of fixed timing is known as traffic control signals.
Special traffic signals:
Traffic signals at draw bridges exhibit special type signals.
Traffic signals are of the following types:
- Simultaneous systems.
- Alternating system.
- Simple system.
- Fluctuating systems.