The Missouri State Highway Patrol is a law enforcement agency in the state of Missouri. Their primary responsibility is to ensure the safety and security of the state's highways and waterways. They enforce traffic and criminal laws, investigate accidents, conduct search and rescue operations, and provide assistance to motorists. The Highway Patrol also works in collaboration with local, state, and federal agencies to prevent and respond to various public safety threats. Overall, their main focus is to protect and serve the citizens of Missouri by maintaining public order and promoting highway safety.