Final answer:
When exposed to vehicular traffic, an excavation site must have proper safety measures in place.
Step-by-step explanation:
When exposed to vehicular traffic, your excavation site must have proper safety measures in place. This includes using barricades and warning signs to alert drivers and pedestrians of the excavation site.
Additionally, it is important to have flaggers or traffic control personnel to direct traffic safely around the site. These precautions help ensure the safety of workers and passersby.