Route enters and leaves the Chicago area at Porter, IN, using trackage now owned by Norfolk Southern.
Chicago-Whiting - NS Chicago Line
Whiting-Elkhart - NS Chicago Line
Elkhart-Toledo - NS Chicago Line
Toledo-Cleveland - NS Chicago Line
Cleveland-Buffalo - CSX Erie West Subdivision
Buffalo-Syracuse - CSX Rochester Subdivision
Syracuse-Hoffmans - CSX Mohawk Subdivision
Hoffmans-Poughkeepsie - Amtrak Hudson Line
After downgrading of much of the former Pennsylvania Railroad "Fort Wayne Line" east of Chicago, Amtrak service now only uses former Pennsylvania Railroad trackage east of Cleveland. Trackage now owned by Norfolk Southern.
Cleveland-Alliance - NS Cleveland Line
Alliance-Pittsburgh - NS Fort Wayne Line
Pittsburgh-Altoona - NS Pittsburgh Line
Altoona-Harrisburg - NS Pittsburgh Line
Route uses "New York Central" route between Chicago and Porter IN, and Amtrak owned route northeast of Porter through Kalamazoo, MI.
Porter-Kalamazoo - Amtrak Michigan Line
Kalamazoo-Detroit - NS Michigan Line
Detroit-Pontiac - CN Shore Line/Holly Subdivisions
Battle Creek-Port Huron - CN Flint Subdivision
Route uses "New York Central" route between Chicago and Porter IN, and CSX former "Pere Marquette" route northeast of Porter to Grand Rapids, MI.
Porter-Grand Rapids - CSX Grand Rapids Subdivision
Route enters and leaves the Chicago area at Dyer, IN, involving several different railroads.
Chicago-74th Street - Metra Southwest Sub District
74th Street-81st Street - Belt Railway Of Chicago
81st Street-Dolton - UP Villa Grove Subdivision
Dolton-Thornton Jct. - UP Villa Grove Subdivision
Thornton Jct.-Munster - CSX Elsdon Subdivision
Munster-Lafayette - CSX Monon Subdivision
Lafayette-Crawfordsville - CSX Lafayette Subdivision
Crawfordsville-Indianapolis - CSX Crawfordsville Branch
Route enters and leaves the Chicago area at University Park via the CN former Illinois Central main line.
Chicago-Stuenkel - CN Chicago Subdivision
Stuenkel-Champaign - CN Chicago Subdivision
Champaign-Centralia - CN Champaign Subdivision
Centralia-Carbondale - CN Centralia Subdivision
Route enters and leaves the Chicago area at Joliet, and uses the same CN trackage as used by Metra's Heritage Corridor. Amtrak corridor service continues west of St. Louis to Kansas City, via the former Missouri Pacific.
Chicago to Joliet - CN Joliet Subdivision
Joliet-Bloomington - UP Joliet Subdivision
Bloomington-Wann - UP Springfield Subdivision
Wann-St. Louis - UP/GW Joint Line
Route enters and leaves the Chicago area at Aurora, and uses the same trackage as used by Metra's BNSF trains.
Chicago-Aurora - BNSF Chicago Subdivision
Aurora-Galesburg - BNSF Mendota Subdivision
Galesburg-Burlington - BNSF Ottumwa Subdivision
Galesburg-Quincy - BNSF Brookfield Subdivision
Galesburg-Fort Madison - BNSF Chillicothe Subdivision/2nd District
Fort Madison-Marceline - BNSF Marceline Subdivision/3rd District
Marceline-Kansas City - BNSF Marceline Subdivision/4th District
Route enters and leaves the Chicago area at Rondout over trackage now owned by CP Rail. Between Chicago and Rondout, trains use the same trackage as used by Metra's Milwaukee District North Line.
Chicago-Rondout - CP/Metra C&M Subdivision
Rondout-Milwaukee - CP C&M Subdivision
Milwaukee-Portage - CP Watertown Subdivision
Portage- La Crosse - CP Tomah Subdivision
La Crosse-St. Croix - CP River Subdivision
St. Croix-St. Paul - CP/BNSF Joint Line