Why is it necessary to contact specialized units during a significant traffic crash investigation?

Contacting specialized units during a significant traffic crash investigation is essential because these units possess specific expertise that can contribute greatly to the understanding and resolution of the case. For example, accident reconstruction specialists can analyze the physical evidence at the crash scene, such as vehicle dynamics, skid marks, and debris patterns, to recreate the events leading up to the crash. Forensics experts may assist in examining physical evidence, human factors, and other scientific aspects that are crucial to understanding the causation and liability of the incident.

Specialized units can also analyze engineering principles related to roadway design, vehicle specifications, and safety regulations. This depth of knowledge is invaluable, as it can lead to more accurate conclusions about the causes of the crash, which might not be readily apparent to a standard patrol officer. In essence, their involvement facilitates a thorough, detailed investigation that considers all aspects of the incident, ensuring that the resulting reports and recommendations are grounded in expert analysis and data.