What is the purpose of using advanced warning signs in a work zone?

The purpose of using advanced warning signs in a work zone is to inform drivers of upcoming hazards. These signs are critical for ensuring that motorists understand they are approaching a work zone where conditions may change unexpectedly, such as lane shifts, reduced speeds, or the presence of construction workers and equipment. By alerting drivers ahead of time, advanced warning signs allow them to prepare for these changes, which can enhance road safety for both drivers and workers.

The effectiveness of advanced warning signs can significantly reduce the risk of accidents in work zones by providing essential information that enables drivers to adjust their speed and pay closer attention to their surroundings. This proactive approach is fundamental in traffic management and safety protocols.