Wabash historically had numbered districts for all lines. Around 1967, the Norfolk & Western system of named districts was adopted. Some segments have been abandoned, or sold to short line operators.
Detroit District (Detroit-Montpelier)
Huntington District (Montpelier-Peru IN)
Lafayette District (Peru IN-Danville)
Line Sold to Indiana Northeastern Railroad
Montpelier Division (South Milford-Montpelier)
Abandoned Lines
4th District (Chicago-South Milford)
New Jersey Indiana & Illinois Railroad (South Bend-Pine)
Line evolved as follows:
Chicago-Manhattan (Sold to Metra)
Manhattan-Forrest (abandoned)
Forrest-Gibson City (Sold to Bloomer Line)
Gibson City-Bement (NS Bloomington District)
Lafayette District (Danville-Decatur)
Springfield District (Decatur-Hannibal)
Brooklyn District (Decatur-East St. Louis)
Meredosia Branch (Bluffs-Meredosia-Keokuk)
Abandoned Lines
Champaign Branch (Sidney-Champaign)
Streator Branch (Forrest-Streator)
Sullivan Branch (Bement-Effingham)