Illinois State Police

The Illinois State Police (ISP) is the state police agency of the U.S. state of Illinois. The Illinois State Police is responsible for traffic safety on more than 300,000 miles of total roadway, including 2,185 miles of interstate highways and 15,969 miles of state highways. Currently, almost 3,000 sworn and civilian personnel make up the Illinois State Police. The Illinois State Police does more than traffic safety though, they are concerned with public safety, the enforcement of the law, and pursuing justice.