At a four way stop
Yellow posted signs typically convey important information to drivers on the road, such as warnings about upcoming hazards, speed limits, construction zones, or other regulatory information. Drivers should pay close attention to these signs to ensure safe and compliant driving.
No, posted signs do not need to be signed.
yes
The posted signs in this area indicate rules and regulations that must be followed.
To inform the public.
The signs usually are yellow with black outline or trim for example sharp turn. The background would be yellow but the arrow would be black If you are in Europe, such signs are triangles with red borders and a white or yellow background. Scandinavian countries use the yellow, while most of Europe uses the yellow for construction.
Yes, in order to enforce parking restrictions, no parking signs must be posted.
On the wall
No trespassing signs say "posted" to legally notify people that the area is private property and unauthorized entry is prohibited.
That depends on what color the curb is. White is for passenger loading or unloading only. Yellow is for cargo loading. Red means absolutely no parking. Green is usually for a limited time. Blue is for handicapped parking only. Watch the posted signs when you park.
Yes, it can still be considered trespassing even if there are no signs posted, as entering someone's property without permission is generally against the law.
Regulatory purposes.