Trauma systems planning is a field of academic inquiry and a methodological approach focused on the strategic design, organization, implementation, evaluation, and continuous improvement of coordinated healthcare networks specifically engineered for the optimal management of traumatic injuries. It investigates the complex interplay of resources, policies, logistics, and clinical protocols required to ensure timely, effective, and equitable access to care across the full spectrum of prehospital, acute hospital, and rehabilitative services. Its significance lies in establishing robust frameworks to enhance patient outcomes, reduce preventable mortality and disability, and optimize resource utilization within regional or national trauma care infrastructures through evidence-based practices and system-level interventions.