Illinois Central Railroad Alphabetic Designations for Railroad Lines

Note: The main line from Chicago to New Orleans did not have an alphabetic prefix.

Alpha Code	Beginning and ending towns	Junction with other I.C. lines towns
	Chicago, IL – New Orleans, LA	67th St., Blue Island Jct., Otto, Gilman, Rantoul, Champaign, Mattoon, Effingham, Edgewood, Du Quoin, Carbondale, Mounds, Cairo Jct., Fulton, Jackson, J. & S. E. Jct., Bemis, W. V. Jct, Memphis Jct., Winona, Durant, Aberdeen Jct., Jackson, Brookhaven, Fernwood, Hammond, Orleans, Jct., Harahan Jct., Southport Jct.
A	Freeport, IL – Branch Jct. (Centralia), IL	Normal, Normal Jct., Clinton, Decatur, Decatur Jct.,
AA	Blue Island Jct., IL – Blue Island, IL	Blue Island Jct.
AB	Nevada, IL – Van Wood, IL
AD	Bloomington, IL – Kansas City, MO	Murrayville, Roodhouse, Mexico
AE	Mexico, MO – Fulton, MO	Mexico
AF	Godfrey, IL – Wann, IL	Godfrey, Wann
AG	Godfrey, IL – White Hall, IL	Roodhouse
AH	S. Joliet, IL – Mazonia, IL	S. Joliet, Mazonia
AI	Brickyard Jct., IL – Murrayville, IL	Brickyard Jct., K. C. Jct
AO	Chicago Union Station, IL – Wann, IL	Brighton Park, S. Joliet, DY Tower, Normal, Athol, Lincoln, Springfield, K. C. Jct.
B	Peoria, IL – Evansville, IN	Peoria, Pekin, C&NW Jct., Lincoln, Mt. Pulaski, North Jct., Decatur Jct., Newton, Mattoon
BA	Stewartsville, IN – New Harmony, IN
BB	Evansville, IN – McClains, KY
BH	Beaumont, MS – Hattiesburg, MS	Beaumont, Hattiesburg
BJ	Maxon, KY – Fulton, KY
C	Waterloo, IA – Albert Lea, MN
CG	Alabama/Mississippi state line – Greenville, MS	West Point, Mathiston, Winona, Greenwood, Moorhead, Elizabeth, Stoneville, Greenville
CI	Chicago & Illinois Western RR Western Av – Hodgkins, IL
CIW	P.S. Main Line, IL – C.B. & Q. Jct, IL
CS	Stacyville Jct., IA – Stacyville, IA	Stacyville Jct.
D	Gilman, IL – St. Louis Union Depot, MO	Gilman, Clinton, Mt. Pulaski, Springfield, Brickyard Jct.,
DA	Carbondale, IL – Paducah, KY
E	Otto, IL – Bloomington, IL	Otto, Normal Jct.
F	Saxony, IL – Minock Jct., IL
FC	Fernwood, MS – ICGRR crossing (Foxworth), MS	Fernwood, Foxworth
G	East St. Louis, IL – Paducah, KY	Pickneyville, Carbondale
GA	St. Louis, MO
GA	Union, MS – Jackson, MS	Union, Jackson
GB	Wilson, IL – Brush, IL
GC	Belleville, IL – E. Carondelet, IL
GD	Carbondale, IL – Johnson City, IL	Carbondale
GE	Pickneyville, IL – Eldorado, IL	Pickneyville, Du Quoin, Christopher, Groat, Ferber
GG	McClure, IL – Mounds, IL	Mounds
GG	Mobile, AL – Iselin, TN	Mobile, Frascati Jct., Beaumont, Kingston, Newton, Union, Ackerman, Mathiston, Bemis, Jackson
GK	Wilson Jct., IL – Brush Jct., IL
GM	Texas Jct., IL – Thebes Spur, IL
GN	Meridian, MS – Union, MS	Meridian, Union
GO	Christopher, IL – Ziegler, IL	Christopher
GR	Reevesville, IL – Golconda, IL
GS	Matthews, IL – Sand Ridge, IL
GT	W. Frankfort Jct., IL – W. Frankfort, IL
GU	Junction Switch, IL – Stewart Mine, IL	Junction Switch
GW	Jackson, TN – Dyersburg, TN	Jackson, Dyersburg
H	Aberdeen Jct. (Durant), MS – Aberdeen, MS	Aberdeen Jct., Ackerman, Starkville, West Point
HA	Winnfield, AL – Brilliant, AL
J	Louisville, KY – Grenada, MS	Fulton, Rives, Dyersburg, Woodstock, Memphis, W.V. Jct., Memphis Jct. (Grenada)
JA	Wheatcroft, KY – Providence, KY
JC	Blackford, KY – Dixon, KY
JD	Dyersburg, TN – Tiger Tail, TN	Dyersburg, Deer
JE	Evansville, IN – Nashville, TN
JF	Chiles, KY – Fulton, KY	Chiles, Fulton
JG	Woodstock, TN – Nonconnah Yard, TN	Woodstock, Memphis
JK	Louisville, KY – Grenada, MS (may be error, same as J)
JH	Cecilia, KY – Hodgenville, KY
JK	River Queen, KY – Dawson Springs, KY
JM	Deer, TN – Hickman, KY	Deer
JN	Dyersburg, TN – Mengelwood, TN
JO	Horse Branch, KY – Owensboro, KY
JP	Paducah, KY – East Cairo, KY	C. R. Jct., Maxon
JS	Stevens Jct., TN – Mengelwood, TN
JT	Moffatt, TN – Troy, TN
JU	Morganfield, KY – Uniontown, KY
K	Gwin, MS – Durant, MS	Gwin, Durant
L	Memphis Poplar Station, TN – New Orleans, LA	Memphis, Lake Cormorant, Lula, Coahoma, Clarksdale, Boyle, Elizabeth, Leland, Riverside  Jct., Kelso, Redwood Jct., Vicksburg, Harriston, Roxie, Ethel, Slaughter, Baton Rouge Jct., Kenner Jct., Harahan Jct.,  Southport Jct.
LA	Moores, MS – Yerger, MS	Lamont, Metcalfe, Stoneville, Leland
LB	Slaughter, LA – Woodville, MS	Slaughter
LC	Ethel, LA – Clinton, LA	Ethel
LD	Tutwiler, MS – Yazoo City, MS	Tutwiler, Moorhead, Belzoni, Silver City, Yazoo Jct.
LE	Lake Cormorant, MS – Tutwiler, MS	Lake Cormorant, Lambert, Tutwiler
LF	Black Bayou Jct., MS – Minter City, MS – Sisloff, MS	Black Bayou Jct. Minter City Jct., Sisloff
LG	Hampton, MS – Glen Allen, MS	Hampton
LH	Grenada Jct. (Greenwood), MS – Grenada, MS	Grenada Jct., Grenada
LK	Mattson, MS – Lombardy, MS	Mattson
LM	Helena, AR – Eagles Nest, MS	Lula
LN	Jackson, MS – Natchez, MS	Jackson, Harriston, Natchez
LO	Lambert, MS – Swan Lake, MS	Lambert, Swan Lake
LP	Philipp, MS – Charleston, MS	Philipp
LQ	Helm, MS – Jacobs, MS	Helm
LR	Coahoma, MS – Riverside Jct., MS	Coahoma, Rosedale, Lamont, Wilczinski, Metcalfe, Greenville, Riverside Jct.
LS	Rosedale, MS – Dockery, MS	Rosedale, Boyle
LT	Clarksdale, MS – Gwin, MS	Clarksdale, Mattson, Tutwiler, Swan Lake, Black Bayou Jct., Sisloff, Philipp, Grenada Jct., Greenwood, Gwin
LU	Valley, MS – Redwood Jct., MS	Velley, Redwood Jct.
LW	Silver City, MS – Kelso, MS	Silver City, Kelso
LY	Nonconnah Yard, TN
LX	Webb, MS – Parchman, MS	Webb, Parchman
LZ	Baton Rouge, LA – Covington ,LA	Baton Rouge Jct., Hammond, Covington
M	Jackson, MS – Gwin, MS (later extended north over LE, LT & LO to Lake Cormorant)	Jackson, Valley, Yazoo Jct., Gwin
MA	Maxie, MS – Mendenhall, MS	Maxie, Columbia, Silver Creek, Mendenhall
MB	Saratoga, MS – Laurel, MS	Saratoga, Laurel
?	Laurel, MS – Kingston, MS	Laurel, Kingston
MC	Mounds, IL – Mound City, IL	Mounds, Mound City
MG	Gulfport, MS – Jackson, MS	Maxie, Bell Yard, Hattiesburg, Saratoga, Mendenhall, Jackson
MH	Hattiesburg, MS – Natchez, MS	Hattiesburg, Silver Creek, Wanilla, Brookhaven, Roxie, Natchez
MM	Mobile, AL – Tolson, IL	Mobile, Bay Shore Jct., Meridian, Artesia, West Point, Corinth, Ruslor Jct., Perry, Iselin Jct., Jackson, Cairo Jct., Percy
MP	Vidalia, LA – Packton, LA Louisiana Midland RR	Natchez (via ferry)
MR	Artesia, MS – Montgomery, AL	Artesia, Columbus, Tuscaloosa
MW	Tuscaloosa, AL – Fox, AL	Tuscaloosa
N	Champaign, IL – Havana, IL	White Heath, Clinton
NA	North Slidell, LA – Covington, LA	North Slidell, Covinton
NB	Rio, LA – Tylertown, MS	Rio, Tylertown
NC	Foxworth, MS – Columbia, MS	Foxworth, Columbia
NN	Slidell, LA – Jackson, MS	N. Slidell, Rio, Foxworth, Wanilla, Jackson
O	Frogmoor, TN – Birmingham (Terminal Station), AL	Frogmoor, Perry, Ruslor Jct.
OX	Pratt City, AL – Bessemer, AL
P	White Heath, IL – Decatur, IL	White Heath, Decatur
PI	P&I Jct., KY – Metropolis Jct., KY	Metropolis, Chiles
PR	Brookhaven, MS – Monticello, MS	Brookhaven, Monticello
PS	Brookhaven, MS – Gravel Pit, MS	Brookhaven
Q	West Lebanon, IN – Le Roy, IL	Rantoul, Champaign
R	Freeport, IL – Madison, WI
S	Cherokee, IA – Sioux Falls, SD
SC	South Chicago Jct. (67th St.), IL – South Chicago, IL
T	Cherokee, IA – Onawa, IA
U	Edgewood, IL – Metropolis Jct. IL	Edgewood, Akin Jct., Ferber, Metropolis
UX	Campbell Yard, IL – Boothby, IL	Akin Jct. Groat
V	Freeport, IL – Dodgeville, WI
VD	Vicksburg, MS – Lorraine, LA	Vicksburg, West Monroe
VM	Meridian, MS – Vicksburg, MS	Meridian, Newton, Jackson, Vicksburg
VW	West Monroe, LA – Winnfield, LA	West Monroe
W	Chicago (Randolph St.), IL – Souix City, IA	S. Wye Jct.,
WA	Tara, IA – South Omaha, NE
WB	South Addison, IL – Addison, IL
WC	Parkway, IL – Harlem Jct., IL
X	Indianapolis, IN – Effingham, IL	Effingham, Newton
XA	Bloom. Southern Jct., IN – end of track
Y	Buckingham, IL – Tracy, IL
Z	Manchester, IA – Cedar Rapids, IA
?	Homewood, IL – Thornton, IL	Homewood