List of Illinois railroads

The following railroads are operating in the U.S. state of Illinois.

Common freight carriers

 * A&R Terminal Railroad (ART)
 * AgRail (AGRL)
 * Ag Valley Railroad (AVRR)
 * Alton and Southern Railway (ALS)
 * Belt Railway of Chicago (BRC)
 * Bloomer Line (BLOL)
 * BNSF Railway (BNSF)
 * Burlington Junction Railway (BJRY) also operates City of Rochelle Railroad (CIR)
 * Canadian National Railway (CN) through subsidiaries Chicago Central and Pacific Railroad (CC), Elgin, Joliet and Eastern Railway (EJE), Grand Trunk Western Railroad (GTW), Illinois Central Railroad (IC), and Wisconsin Central Ltd. (WC)
 * Canadian Pacific Kansas City (CPKC) through subsidiaries Dakota, Minnesota and Eastern Railroad (DME) and Soo Line Railroad (SOO)
 * Chicago–Chemung Railroad (CCUO)
 * Chicago Port Railroad (CPC)
 * Chicago Rail Link (CRL)
 * Chicago South Shore and South Bend Railroad (CSS)
 * Cicero Central Railroad (CCER)
 * Coffeen and Western Railroad (CAEG)
 * Crab Orchard and Egyptian Railroad (COER)
 * CSX Transportation (CSXT) including subsidiary Baltimore and Ohio Chicago Terminal Railroad (BOCT)
 * Decatur Central Railroad
 * Decatur & Eastern Illinois Railroad (DREI)
 * Decatur Junction Railway (DT)
 * Eastern Illinois Railroad (EIRC)
 * Effingham Railroad (EFRR)
 * Evansville Western Railway (EVWR)
 * FFG&C Railroad (FFGC)
 * Great Lakes Terminal Railway (GLTR)
 * Hussey Terminal Railroad (HTRC) (Out of Service)
 * Illinois Railway (IR)
 * Illinois and Midland Railroad (IMRR)
 * Illinois Western Railroad (ILW)
 * Indiana Harbor Belt Railroad (IHB)
 * Indiana Rail Road (INRD)
 * Iowa Interstate Railroad (IAIS) operates Lincoln and Southern Railroad
 * Joppa and Eastern Railroad (JE)
 * Kankakee, Beaverville and Southern Railroad (KBSR)
 * Kansas City Southern Railway (KCS) including subsidiary Gateway Eastern Railway (GWWE)
 * Keokuk Junction Railway (KJRY)
 * KM Railways (KMR)
 * Manufacturers' Junction Railway (MJ) (Out of Service)
 * Norfolk Southern Railway (NS)
 * Peru Industrial Railroad (PIRR)
 * Pioneer Industrial Railway (PRY)
 * Port Harbor Railroad (PHRR)
 * Riverport Railroad (RVPR)
 * Shawnee Terminal Railway (STR) (Out of Service)
 * South Chicago and Indiana Harbor Railway (SCIH)
 * Tazewell and Peoria Railroad (TZPR) operates Peoria and Pekin Union Railway (PPU)
 * Terminal Railroad Association of St. Louis (TRRA)
 * Toledo, Peoria and Western Railway (TPW)
 * Union Pacific Railroad (UP) including subsidiary Southern Illinois and Missouri Bridge Company
 * Vandalia Railroad (VRRC)
 * Vermilion Valley Railroad (VVRR) operates FNG Logistics Company (FNG)
 * Wisconsin and Southern Railroad (WSOR)

Private freight carriers

 * ADM Milling (ADMX)
 * Aux Sable Midstream
 * Bulkmatic Railroad
 * Buzzi Unicem
 * Centerpoint Transportation, LLC
 * Operates the Joliet Terminal Railroad
 * Hoffman Transportation (HTCX)
 * Ingredion
 * Kaskaskia Regional Port District (KKRX)
 * Mars Candy
 * Material Sciences Corporation
 * Mokena Illinois Railroad
 * R Bult Rail Lines

Proposed railroads

 * 505 Railroad
 * Beecher Industrial Railway
 * Crete Terminal Railroad
 * Eastern Joliet Railway
 * Great Lakes Basin Transportation

Passenger carriers

 * Amtrak (AMTK)
 * Chicago Transit Authority
 * Fox River Trolley Museum (Aurora, Elgin and Fox River Electric)
 * Illinois Railway Museum
 * Metra
 * MetroLink
 * Monticello Railway Museum
 * Silver Creek and Stephenson Railroad
 * South Shore Line

Electric railways and predecessors

 * Aurora, Elgin and Chicago Railroad
 * Aurora, Elgin and Fox River Electric Company
 * Alton, Jacksonville and Peoria Railway
 * Bloomington, Pontiac and Joliet Electric Railway
 * Cairo and St. Louis Railway
 * Calumet and South Chicago Railway
 * Central Illinois Public Service Company
 * Centralia and Central City Traction Company
 * Chicago, Aurora and DeKalb Railroad
 * Chicago Aurora and Elgin Railroad
 * Chicago City Railway
 * Chicago and Desplaines Valley Electric Railway
 * Chicago General Railway
 * Chicago, Harvard and Geneva Lake Railway (CH&G)
 * Chicago and Joliet Electric Railway
 * Chicago, Lake Shore and South Bend Railway
 * Chicago and Milwaukee Electric Railroad
 * Chicago North Shore and Milwaukee Railroad
 * Chicago, Ottawa and Peoria Railway (CO&P)
 * Chicago South Shore and South Bend Railroad
 * Chicago and South Side Rapid Transit Railroad
 * Chicago and Southern Traction Company
 * Chicago Surface Lines
 * Chicago Tunnel Company
 * Chicago, Wheaton and Western Railway
 * Coal Belt Electric Railway
 * DeKalb – Sycamore and Interurban Traction Company
 * East St. Louis and Suburban Railway
 * Elgin, Aurora and Southern Traction Company
 * Elgin and Belvidere Electric Company
 * Fruit Growers Refrigerating and Power Company
 * Galesburg Railway and Light Company
 * Galesburg and Kewanee Electric Railway
 * Illinois Central Electric Railway
 * Illinois Traction, Inc. (ITS)
 * Illinois Valley Railway
 * Illinois Valley Traction Company
 * Joliet and Southern Traction Company
 * Kankakee and Western Electric Railway
 * Keokuk and Western Illinois Electric Company
 * Lake Street Elevated Railroad
 * Lee County Central Electric Railway
 * Macomb and Western Illinois Railway
 * Metropolitan West Side Elevated Railroad
 * Mississippi Valley Interurban Railway
 * Moline, East Moline and Watertown Railway
 * North Kankakee Electric Light and Railway Company
 * Northern Illinois Electric Railway
 * Northwestern Elevated Railroad
 * Peoples Traction Company
 * Peoria Railway
 * Peoria and Pekin Terminal Railway
 * Peoria and Pekin Traction Company
 * Peoria Railway Terminal Company
 * Rock Island Southern Railway (RIS)
 * Rockford, Beloit and Janesville Railroad
 * Rockford and Belvidere Electric Railway
 * Rockford and Interurban Railway
 * St. Louis and Belleville Electric Railway
 * South Side Elevated Railroad
 * Southern Traction Company of Illinois
 * Springfield, Clear Lake and Rochester Railway
 * Sterling, Dixon and Eastern Electric Railway
 * Suburban Railroad
 * Terre Haute, Indianapolis and Eastern Traction Company
 * Tri-City Railway
 * Union Consolidated Elevated Railway
 * Woodstock and Sycamore Traction Company