Final answer:
In Minnesota, a yellow-painted curb means drivers are restricted from stopping or parking with the exception of quick loading or unloading. Traffic signals help reduce vehicle speeding and improve pedestrian safety at intersections.
Step-by-step explanation:
In Minnesota, a curb that is painted yellow indicates that drivers may not stop or park there, except to quickly load or unload passengers or freight. This is part of traffic control and road management to reduce congestion and ensure safety. Traffic signals play a crucial role in controlling vehicle flow and pedestrian safety. They ensure vehicles don't speed through intersections and provide safe crossing for pedestrians.
For instance, the presence of a traffic signal at a busy intersection can influence drivers to slow down, adhering to the posted speed limit. It becomes particularly crucial during peak hours or in areas with high foot traffic, such as near campus, enhancing pedestrian safety by allowing people to cross the road at appropriate times.