Routes were commissioned in 1917 and decommissioned in 1926, unless otherwise noted
| Route Number | Name | Western/Southern terminus | Eastern/Northern terminus | Today's Route(s) | Miles | Notes |
|---|---|---|---|---|---|---|
| SR 1 | *Pigeon Roost Route *Unknown *Wabash Way *Michigan Road |
Kentucky State Line-New Albany | Michigan State Line-North of South Bend | State Road 311 and U.S. Route 31 | Passing though downtown Indianapolis and South Bend | |
| SR 2 | Illinois State Line-Dyer | Ohio State Line east of Fort Wayne | U.S. Route 30, State Road 2, and U.S. Route 33 | From 1917-1920; via LaPorte, South Bend, Elkart, and Goshen | ||
| SR 2 | Illinois State Line-Dyer | Ohio State Line east of Fort Wayne | US 30 | From 1920-1926; Via Plymouth, Warsaw, Columbia City | ||
| SR 3 | National Old Trails Road | Illinois State Line-West Terre Haute | Ohio State Line-Richmond | U.S. Route 40 | Passing Though downtown Indianapolis | |
| SR 4 | Evansville | Ohio State Line-Lawrenceburg | Unknown west of Seymour; east of Seymounr U.S. Route 50 | From 1917-1920; via Jasper, French Lick, and Seymour | ||
| SR 4 | Shoals | Ohio State Line-Lawrenceburg | US 50 | From 1920-1926 | ||
| SR 4 | Sullivan | Bloomfield | State Road 54 | From 1917-1926 | ||
| SR 5 | Illinois State Line-Vincennes | Mitchell | U.S. Route 150, US 50, and State Road 60 | From 1917-1920 | ||
| SR 5 | Illinois State Line-Vincennes | Kentucky State Line-New Albany | US 150 | From 1920-1926 | ||
| SR 6 | Michigan Road | Boswell | Kentucky State Line-Madison | U.S. Route 52 and State Road 352 west of Indianapolis; U.S. Route 421 east of Indianapolis | ||
| SR 7 | Illinois State Line-west of Kentland | Fort Wayne | U.S. Route 24 | Went downtown Logansport, Peru, Wabash, Huntington, and Fort Wayne | ||
| SR 8 | Remington | Gary | U.S. Route 231, SR 2, State Road 55, and State Road 53 | |||
| SR 9 | Rockville Linton |
north of Marshall Brazil |
not number State Road 59 |
Went though Marshall | ||
| SR 10 | Dixie Bee Line | Kentucky State Line-Evansville | Illinois State Line-Hammond | U.S. Route 41, State Road 352, US 52, back to US 41, SR 2, US 231, SR 55, and back to US 41 | ||
| SR 11 | Ben Hur Trail | Greenfield | Michigan State Line-north of Howe | State Road 9 | Paasing though downtown Pendleton, Anderson, Marion, and Huntington | |
| SR 12 | Not named | Vincennes | Indianapolis | State Road 67 | Went into downtown Indianapolis | |
| SR 13 | Lewisville | Michigan State Line-near Fremount | State Road 3, State Road 18, State Road 1, and U.S. Route 27 | Passing though downtown Fort Wayne; US 27 north of Fort Wayne | ||
| SR 14 | Not named | Tell City | St. Croix | State Road 37 | ||
| SR 15 | Liberty Way | Indianapolis | Michigan City | US 421, State Road 29, and U.S. Route 35 | ||
| SR 16 | Mt Vernon | Kentucky State Line-New Albany | State Road 62 | |||
| SR 17 | Toledo Chicago Pike | Ligonier | Ohio State Line-east of Butler | U.S. Route 6 | may have been around before 1917 | |
| SR 18 | Rockport | North of Jasper | US 231 | Passing though downtown Dale; Went as far north as the current northern intersection of US 231/State Road 56 | ||
| SR 19 | West of Tipton | Alexandria | State Road 19 | |||
| SR 20 | Unknown | Mt. Vermom | Owensville | State Road 69, State Road 68, and State Road 65 | ||
| SR 21 | Liberty | Fort Wayne | US 27 | |||
| SR 22 | Sulphur | Indianapolis | SR 37 | |||
| SR 23 | East of Pennville | North of Pennville | SR 1 and State Road 26 | 13 miles (21 km) | Example | |
| SR 24 | Palmyra | East of Medora | State Road 135 | Was SR 35, untill the decommissioned of SR 35 | ||
| SR 25 | Toledo Angola Goshen Trial | Michigan City | Ohio State Line-east of Angola | U.S. Route 20 | Went dowmtowm South Bend and Elkhart | |
| SR 26 | Bloomington | Madison | State Road 46 and State Road 7 | SR 46 west of Columbus and SR 7 east of Columbus | ||
| SR 27 | Hoosier Dixie | Marion | Goshen | State Road 15 | ||
| SR 28 | Winslow | East of Switz City | Sttae Road 57 | 52.9 miles (85.1 km) [1] | ||
| SR 29 | Lafayette | South of Kokomo | State Road 26 | 39.3 miles (63.2 km) [2] | ||
| SR 30 | Linton | Bloomfield | State Road 54 | 12.4 miles (20.0 km) [3] | ||
| SR 31 | Pikes Peak Ocean to Ocean Highway | Montezuma | Indianapolis | U.S. Route 36 | 65.9 miles (106.1 km) [4] | Followed Washington Street to downtown Indianapolis |
| SR 32 | Not named | Bloomington | Lafayette | US 231 | Example | |
| SR 33 | Illinois State Line-east of Dabville, IL | Ohio State Line-Union City | US 136 and State Road 32 | Folloed State Road 34, until SR 34 was decommissioned, in favor of US 136 | ||
| SR 34 | Brookville | Dublin | SR 1 | 32 miles (51 km) | ||
| SR 35 | Kokomo | West of Montpelier | US 35, State Road 9, and [[Indiana State Road 18|State Road 18 | Went downtown Marion | ||
| SR 36 | Tip Top Trail | Greenburg | Dunrieth | SR 3 | 32 miles (51 km) | |
| SR 37 | Indianapolis | Pendleton | US 36 | 27 miles (43 km) | ||
| SR 38 | Jeffersonville | Sellersburg | US 31 | 7 miles (11 km) | Frist was US 31E, until US 31E became US 31 | |
| SR 39 | Indianapolis | Ohio State Line | US 52 | 87 miles (140 km) | ||
| SR 40 | Princeton Scottsburg |
West Baden Springs Aurora |
SR 64 and SR 56 SR 56 |
|||
| SR 41 | Example | Example | Example | Example | Example | |
| Example | Example | Example | Example | Example | Example | |
| Example | Example | Example | Example | Example | Example | |
| Example | Example | Example | Example | Example | Example | |
| Example | Example | Example | Example | Example | Example | |
| Example | Example | Example | Example | Example | Example | |
| Example | Example | Example | Example | Example | Example | |
| Example | Example | Example | Example | Example | Example | |
| Example | Example | Example | Example | Example | Example | |
| Example | Example | Example | Example | Example | Example | |
| Example | Example | Example | Example | Example | Example | |
| Example | Example | Example | Example | Example | Example | |
| Example | Example | Example | Example | Example | Example | |
| Example | Example | Example | Example | Example | Example | |
| Example | Example | Example | Example | Example | Example | |
| Example | Example | Example | Example | Example | Example | |
| Example | Example | Example | Example | Example | Example | |
| Example | Example | Example | Example | Example | Example |
- ^ "overview map of Old SR 28 from Winslow to Switz City" (Map). Google Maps. Retrieved 2011-1-4.
{{cite map}}: Check date values in:|accessdate=(help) - ^ "overview map of Old SR 29 from Lafayette to Kokomo" (Map). Google Maps. Retrieved 2011-1-4.
{{cite map}}: Check date values in:|accessdate=(help) - ^ "overview map of Old SR 30 from Linton to Bloomfield" (Map). Google Maps. Retrieved 2011-1-4.
{{cite map}}: Check date values in:|accessdate=(help) - ^ "overview map of Old SR 31 from Montezuma to Indianapolis" (Map). Google Maps. Retrieved 2011-1-4.
{{cite map}}: Check date values in:|accessdate=(help)