Originally part of a railroad extending from Sterling to St. Louis, this segment later was considered as an extension of the Chicago & Rock River line, originally extending west from Shabbona, later replaced by using a line from Earlville.
47.7 Sterling
35.9 Agnew
27.9 Lyndon
24.8 Denrock
1 track, unsignaled. Trackage rights via Chicago & North Western from Sterling to Agnew.