The Delaware State Police (DSP) is a division of the Delaware Department of Public Safety and Homeland Security and is responsible for traffic regulation and law enforcement across the state of Delaware

Delaware

Delaware is a U.S. state located on the Atlantic Coast in the Mid-Atlantic region of the United States. It is bordered to the south and west by Maryland, and to the north by Pennsylvania...

, especially in areas underserved by local police departments. The DSP is headquartered in the capital Dover, Delaware

Dover, Delaware

The city of Dover is the capital and second largest city in the U.S. state of Delaware. It is also the county seat of Kent County, and the principal city of the Dover, Delaware Metropolitan Statistical Area, which encompasses all of Kent County. It is located on the St. Jones River in the Delaware...

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"To enhance the quality of life for all Delaware citizens and visitors by providing professional, competent and compassionate law enforcement services".
Before the Delaware State Police was formed in 1923, the first traffic law enforcement officers were called the "Highway Traffic Police".