What is the best first step after arriving at the scene of a vehicle collision?

The best first step after arriving at the scene of a vehicle collision is to check for injuries. This action is crucial because the priority in any emergency situation is to ensure the safety and well-being of individuals involved. Assessing for injuries allows responders to provide necessary medical assistance promptly, which can be vital for the victims' survival and recovery.

In the context of a vehicle collision, individuals may have varying types and degrees of injuries, some of which may not be immediately apparent. By checking for injuries first, peace officers can determine if emergency medical services are needed on-site, which is essential for effective incident management.

Addressing injuries before focusing on other aspects of the scene—such as interviewing witnesses, determining the cause of the accident, or checking vehicle registration—ensures that the responders are meeting the immediate health and safety needs of those involved. This prioritization aligns with standard emergency response protocols, which emphasize the importance of providing medical care first in critical situations.