What is the primary purpose of signage around excavation sites?

The primary purpose of signage around excavation sites is to warn of hazards and inform people of the dangers present. Excavation sites often pose significant risks, such as falling objects, unstable ground, or the presence of heavy machinery. Signage serves as a critical tool for enhancing safety by alerting workers and the general public to these potential dangers, thus reducing the likelihood of accidents or injuries.

Effective signage can also inform by providing specific details about the nature of the hazards, the importance of following safety protocols, and any required personal protective equipment. This ensures that everyone in the vicinity is aware of the risks associated with the site and understands the safety measures that must be followed.

The other options do not encompass the primary role of excavation site signage. While providing instructions for workers is valuable, it is not the main focus of signage, which is primarily about hazard awareness. Marking property lines and indicating parking regulations are also significant, but these functions are secondary to the essential goal of ensuring safety by communicating hazards.