Frankfurt, Illinois

Historical marker location:

11032 W Lincoln Hwy, Frankfort, Illinois

( Marker is at the intersection of Lincoln Highway (Route 30) and Settlers Pond Drive, on the right when traveling east on Lincoln Highway.)

The Illinois State Police, founded in 1922, is one of the oldest state police agencies in the United States. The agency is responsible for enforcing state laws, protecting state property, and providing security for the governor and other state officials.