That is correct but it is also the color. The shape of a sign is to warn people that are maybe colored blind and can't see the "red" stop sign. So they know it a stop sign because of the 8 sides on it. Hope it helps.
Advisory speed sign
Advisory speed sign.
The Codiac sign is a roadway sign that warns drivers of a blind intersection ahead. It is typically a yellow diamond-shaped sign with a black symbol depicting a "C" shape, which signifies the possibility of a blind corner or hidden intersection requiring caution.
A foreshadow is warning sign of a future event. A friend that does that warns you of the dangers ahead, may be from other friends or something he/she has seen.
The warning sign that tells you a divided highway is ending is yellow. It has a picture of two arrows, the one on the left is pointing down and the one on the right is pointing up.
I believe it's a triangle
That is correct but it is also the color. The shape of a sign is to warn people that are maybe colored blind and can't see the "red" stop sign. So they know it a stop sign because of the 8 sides on it. Hope it helps.
A yield sign.
Bump
The meaning of a traffic sign that says road construction ahead is that there are people up ahead working on a part of the road and to proceed with caution. The sign itself is triangular in shape, orange and has black lettering.
Well, yes, it warns you that the lanes are going to merge soon into one road. If it wasn't there, drivers may not understand that they must adjust their speeds to safely merge, rather than assume other traffic must wait for them.
The European road sign for "Priority Road Ahead" features a white diamond shape with a red border. This sign indicates that the road user is approaching a section where they will have the right of way over intersecting roads. It is important for drivers to be aware of this sign to ensure safe navigation through intersections.