What is another word for highway patrol?
Pronunciation: [hˈa͡ɪwe͡ɪ pɐtɹˈə͡ʊl] (IPA) 
Highway patrol is a term used to describe law enforcement agencies that are responsible for maintaining law and order on highways, expressways, and other major roads. There are many synonyms for this term, including state police, highway police, traffic police, motorway police, road police, and patrol officers. Each of these terms is used interchangeably to refer to officers who enforce traffic laws, investigate accidents, and respond to emergencies on highways and other major roads. No matter what name they go by, these officers play a critical role in maintaining public safety on our nation's roadways and keeping drivers and passengers safe.
