The southern section of Peoria County Highway R18 starts about three (3) miles south of the norther section. PCH R18 does not pass through any towns in Peoria County. PCH R18 intersects the following local roads in Peoria County. Peoria County Highway D41, near Elmwood. Illinois State Route 116, near Trivoli. Peoria County Highway D50, near Cramer. Peoria County Highway D52, near the Peoria/Fulton County Line. Fulton County Highway 28, at the Peoria/Fulton County Line. PCH R18 is multi-plexed in Peoria County. Peoria County Highway D50, near Cramer.
