Stop Signs

They instruct drivers to come to a brief, temporary, but complete stop.

About stop signs

Stop signs are traffic signs, which are erected at road junctions. They instruct drivers to come to a brief, temporary, but complete stop, then only if the way ahead is clear to proceed. However, it is not required for stop signs to be erected at all intersection. At many rural intersections, where controlling conflicting traffic isn't a problem, stop signs may not be installed. In the United States and Canada, stop signs are erected in residential areas, schools, parks, or anyplace children
play or where traffic needs to be controlled. In these areas stop, signs may be erected on all three or four intersecting roads.

The following are right-of-way rules for intersections with multiple stop signs, which apply to the United States and Canada:

Single Stop:
The driver approaches the intersection, stops looks all directions of possible approaching traffic, then continues if way is clear.

Two-way stop:
Cars approaching from either direction must come to a complete stop before proceeding through intersection.

4-way stops:
The driver who first approaches the intersections, stops, and then continues first if way is clear. If two or more drivers simultaneously approach the stop signs at a single intersection, the driver on the right-hand side, has the right of way.

All intersections must be treated as if there is an actual stop sign present. Failure to stop can be disastrous. Worldwide, drivers approaching a stop sign must STOP. Even if the way is visible clear, the driver has to come to a complete stop. In some states, the stop must last a minimum of 3 seconds. However, many drivers perform a traffic violation known as a rolling stop or a California stop. This is when the driver slows down significantly but does not come to a complete stop
at the sign. Many states view rolling stops as running the stop sign and issue traffic situations.

Yield signs:
Are referred to as Give Way signs in UK, Australia, and New Zealand. They require that the driver slow and prepare to stop, but doses not have to actually stop if the way is clear.