The Diplomatic Protection Division (DPD) is a specialized unit that focuses on ensuring the safety and security of diplomats during their road travels within the State of San Andreas. Given the high mobility and diverse routes diplomats might take, this division is tasked with escorting diplomatic convoys, responding to road incidents involving diplomats, and maintaining the security and integrity of routes frequently used by foreign dignitaries. Officers within this division receive specialized training in vehicular tactics, close protection during transit, and rapid response to road-based threats. By providing a secure traveling environment, the Highway Patrol's DPD ensures that diplomats can conduct their duties seamlessly.

The Diplomatic Protection Division (DPD) operates from both  Los Santos and Blaine County and is responsible for the protection of state constitutional officers including: the Governor,  First Lady, Lieutenant Governor, Secretary of State, State Treasurer, State Controller, State Superintendent of Public Instruction, and the State Insurance Commissioner. When directed by the High Command's Office, DPD Provides protective services to other elected officials. DPD also provides, as directed, protective services to national and international dignitaries who are visiting San Andreas on official business. This includes: the advance security assessments of sites and locations to be visited, safe and secure transportation, protection at designated venues, collaboration with allied agency law enforcement, and other services as required.