What does a yellow sign typically indicate?

A yellow sign typically indicates caution. It is used to alert drivers to potential hazards or changes in the roadway ahead. This can include various situations such as upcoming intersections, curves, or conditions that require the driver to slow down or prepare for a change in driving conditions.

In this context, the sign signaling a traffic signal ahead would indeed be an important cautionary message, alerting drivers to the presence of stoplights and the need to be prepared to stop. Understanding that yellow is a color associated with warning helps drivers maintain awareness and safely navigate through potential hazards encountered on the road, which can include situations highlighted by yellow signage.