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Traffic signs are devices placed along, beside, or above a highway, roadway, pathway, or other route to guide, warn, and regulate the flow of traffic, including motor vehicles, bicycles, pedestrians, equestrians, and other travelers. Purpose of the Signs Signs, like any other traffic control devices, must meet five fundamental requirements:
- Fulfill a need
- Command attention
- Convey a clear, simple meaning
- Command respect from travelers
- Give adequate time for proper response
Signs should be placed only where warranted by facts and engineering studies. Signs that are unwarranted or ineffective may distract road users from more important traffic control devices, may breed disrespect for all signs in the area, and are often a waste of valuable public agency and taxpayers' resources. Signs should be placed as necessary for safety and proper regulation of traffic. Road Traffic Signs Road signs are classified under the three heads:
- Mandatory Signals
- Cautionary Signals
- Informatory Signals
MANDATORY / REGULATORY:- Mandatory signs are indicated in a circular form. In accordance with the Motor Vehicle Act, 1988, every driver of a motor vehicle shall drive the vehicle in conformity with any indication given by the mandatory signs and not obeying these signs is an offence. Few Signals are displayed below
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| No Entry |
One Way Sign |
One Way Sign |
Vehicle Prohibited in Both Directions |
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| Truck Prohibited |
Pedestrians Prohibited |
Speed limit |
No Stopping |
CAUTIONARY / WARNING SIGNS:- Cautionary signs are meant for cautioning the driver about the hazards lying ahead on the road. Drivers must obey there signs for safety. These signs are indicated in a triangular form.Few Signals are displayed below.
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| Right Hand Curve |
Right hair pin bend |
Left Reverse Bend |
Narrow Bridge |
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| Men at work |
falling Rocks |
Cross road |
Roundabout |
INFORMATORY SIGNS:- Informatory signs are erected on the road to provide information on direction, destination, roadside facilities etc. to the road users.Few Signals are displayed below.
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| Park both sides |
Flood Guage |
No through Road |
No through Road |
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| First Aid post |
Public Telephone |
Petrol bunk |
Advance Direction Sign |
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