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Regulatory,Warning and guide
Warning sign. pretty much all traffic signs with a yellow background are warning or an orange back ground. but there are a couple warning signs that have a white background
You can get road signs painted on Road Traffic Signs's website. This website allows customers to customize their own road signs and they will ship them for a charge.
US standard traffic warning signs are yellow background with black symbols or letters. Traffic warning signs in other countries are generally white or yellow background with a red or black border in a triangular shape. Industrial warning signs are various colors, including OSHA and ANZI standards with orange background and black lettering. A yellow OSHA or ANZI sign would mean "caution" not "warning".
Warning signs for traffic are usually diamond-shaped (i.e., rhombus), or a square oriented with one corner pointed down. Warning signs for other purposes may be square, rectangular, round or other shapes as may be required by local standards.
Traffic sign Road sign Warning sign Information Visual symbol
there are no warning signs
Green signs are not warning signs. They are signs that tell you it is "safe" to do something.
Green traffic signs usually indicate directions. Exit and Entrance signs for the expressway, distances to cities and towns, mile markers, etc.
Yes, they act like traffic signs and signals.
there r many advantages and disadvantages of traffic signs
It depends on what warning signs that you are interested in. Many sites offer guides on how to spot the warning signs for illnesses etc. If it is to do with motoring check the highway site for details.