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What are the Warning Traffic Signs?

Warning signs provide alerts and warning about the road conditions or hazards, or possible traffic situations.

Warning signs are usually diamond-shaped and are yellow with black lettering or symbols.

Below are some of the most common warning signs and their meanings:

school children crossing sign

School Children Crossing Sign
The speed limit when driving within 500 to 1,000 feet of a school while children are present is 25 mph unless otherwise posted. So, when you see a School Children Crossing Sign, slow down to 25 mph or slower, watch for children crossing the street and be prepared to stop.

(There is a confusion around school zone speed limit as to whether you should follow the speed limit of 25 mph when school is not in session or when there are no children present. When you are driving, it is difficult to tell from 1,000 feet if there is a school session or children are present. Even if it is Saturday or Sunday, children may be attending a school event such as a sport competition or can be at a playground nearby. Children do not have a sense of detecting street danger and may run cross the street after a ball or there may be excited to run home. So, it is better to be safe than sorry; slow down to the school zone speed limit near a school zone or a playground when children may be present.)

pedestrian crossing sign

Pedestrian Crossing Sign
Warns you that there are pedestrians crossing the crosswalk; you need to slow down; be prepared to stop and give the right of way to pedestrians.

bicycle crossing sign

Bicycle Crossing Sign
Warns you that there are bicycles on the bike lane crossing the street; you need to slow down; be prepared to stop and give the right of way to bicycles.

lane merge sign

Lane Merge Sign
Warns you that there are traffic merging to your lane, so be prepared and allow the vehicles to move into your lane.

lane ends merge left sign

Lane Ends, Merge Left Sign
Warns you that two lanes of traffic will be merging into one lane.
If you are in the right lane, you will need to merge to the left lane while yielding to the traffic driving in the left lane.
If you are in the left lane, you will need to be prepared and allow the vehicles from right lane to move into your lane.

signal ahead sign

Signal Ahead Sign
Warns you that there is a traffic signal ahead; slow down and be prepared to stop.

speed advisory highway ramp

Speed Advisory Sign for Highway Ramp
The sign is posted on a highway's entry/exit ramp and it tells you to drive at the speed limit that is posted on the speed advisory sign.

speed advisory sign

Speed Advisory Sign
The sign is usually posted on curvy roads telling you that you should drive at the posted speed limit to make safe turns.

curve sign

Curve Sign
The sign is usually posted on curvy roads telling you that you should slow down to make safe turns.

sharp right angle turn sign

Sharp Right Angle Turn Sign
The sign is usually posted on curvy roads telling you that you are approaching a sharp right angle turn and you should slow down to make a safe turn.

chevron arrow sharp turns sign

Chevron Sign
The sign is usually posted on curvy roads in order to outline the edge of the curve; you should slow down to make a safe turn.

intersection sign

Intersection Sign
Tells you that you are approaching another road that crosses your road, Watch out for traffic that may be crossing your path.

t-intersection sign

T Intersection Ahead Sign
Tells you that your road is going to end and you must either turn right or left.

side road ahead sign

Side Road Ahead Sign
Tells you that another road is going connect to your road from the direction that is shown on the sign; watch out for traffic that may be crossing your path from the side.