Several branch lines acquired from BNSF between 1997 and 2004 by Illinois Railnet. Acquired in 2005 by Omnitrax and renamed Illinois Railway. All lines connect with BNSF former Burlington Route main lines.

Links marked with S or T include historical information on lost passenger Stations and interlocking Towers. Information on towers serving multiple railroads is not directly duplicated, but instead linked to a relevant page for the primary operating railroad.

Fox River Line (Montgomery to Streator) S

La Salle Line (La Salle to Zearing) S

Rockford Line (Flag Center to Rockford) ST

Mt. Morris Line (Oregon to Mt. Morris)