What is the main purpose of advanced warning signs on highways?

Advanced warning signs on highways serve the crucial function of informing drivers about potentially hazardous conditions ahead. This can include information about construction zones, curves, road conditions, or changes in speed limits. The primary objective of these signs is to enhance safety by preparing drivers for situations that require attention or caution, allowing them to adjust their driving behavior accordingly.

By alerting drivers well in advance, these signs play a significant role in preventing accidents and helping to maintain traffic flow safely through areas where drivers may face unexpected challenges. While compliance with regulations, traffic flow improvements, and revenue generation may be secondary outcomes of proper signage, the foremost purpose remains centered on conveying vital information that ensures the safety of all road users.