Registered nurses are core members of critical care ground transport teams because of their education, experience, and scope of practice. Advances in medicine, technology, and equipment, combined with regionalization of specialized care and, most recently, the coronavirus disease 2019 pandemic, necessitate that transport nurses possess specialized knowledge, skills, and abilities. National specialty certification in ground transport nursing via the Certified Transport Registered Nurse (CTRN) offers registered nurses a process to validate their expertise. The most recent transport nursing role delineation study, which was conducted by the Board of Certification for Emergency Nursingin 2019, provided the foundation for the revised CTRN examination content outline, which is now separate from the Certified Flight Registered Nurse (CFRN) content outline. In this article, we provide a brief history of the specialty of ground transport nursing; details on the CTRN examination blueprint; and a composite patient case report to illustrate the ground-specific role, expertise, and contributions of the CTRN in delivering the highest level of patient care during ground transport.