In France, cervical spine trauma frequently results in systematic prehospital immobilisation with a cervical collar, despite a low incidence of clinically significant injuries. This practice may lead to unnecessary discomfort, delayed care and emergency department (ED) overcrowding. The Canadian C-Spine Rule (CCR) is a validated tool for identifying patients at low risk of cervical injury but its use is currently limited to ED settings. An adapted version (CCRa) has been validated in Canada for prehospital use, demonstrating safe reduction in immobilisation rates. This study aims to evaluate the feasibility, safety and clinical impact of CCRa implementation in the French prehospital emergency setting. The objectives are to assess whether the implementation of the CCRa by French prehospital emergency teams can safely reduce unnecessary cervical spine immobilisation in stable trauma patient, optimise imaging use and decrease ED overcrowding while maintaining patient safety.