Module 6 : Traffic Intersection Control
Lecture 28 : Traffic Signs
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Types of traffic signs

There are several hundreds of traffic signs available covering wide variety of traffic situations. They can be classified into three main categories.
  1. Regulatory signs: These signs require the driver to obey the signs for the safety of other road users.
  2. Warning signs:These signs are for the safety of oneself who is driving and advice the drivers to obey these signs.
  3. Informative signs: These signs provide information to the driver about the facilities available ahead, and the route and distance to reach the specific destinations
In addition special type of traffic sign namely work zone signs are also available. These type of signs are used to give warning to the road users when some construction work is going on the road. They are placed only for short duration and will be removed soon after the work is over and when the road is brought back to its normal condition. The first three signs will be discussed in detail below.