Who is responsible for determining the ICS organizational structure for traffic incident response?

In traffic incident management, the responsibility of determining the Incident Command System (ICS) organizational structure falls primarily on the Incident Commander. This individual is in charge of overseeing the entire incident response operation, which includes establishing roles, delegating tasks, and ensuring resources are allocated effectively. The Incident Commander sets up the ICS to facilitate efficient communication and coordination among response teams, adapting the structure to meet the specific demands of the incident.

While the other roles, such as the Operations Chief, TIM Team Coordinator, and Safety Officer, have critical responsibilities within the ICS framework, they do not have the ultimate authority to determine the overall organizational structure. Each of these positions plays a vital role in the execution of strategies devised by the Incident Commander, focusing on specific aspects of incident management such as operations, coordination, or safety, but not on the structural setup that defines how the entire response is organized. Therefore, the correct answer highlights the primary responsibility entrusted to the Incident Commander in traffic incident response.