| Name | Southern or western terminus | Northern or eastern terminus | Date | Description | Ref(s). |
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| Historic Michigan Road Byway | Madison | Michigan City | September 9, 2011 | Follows the route of theMichigan Road in Indiana | [2] |
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| Historic Michigan Road Byway Alternate | Historic Michigan Road Byway south ofVersailles | Historic Michigan Road Byway inNapoleon | September 9, 2011 | FollowsUS 421 inRipley County | [2] |
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| Historic National Road Byway | Illinois state line | Ohio state line | June 9, 1998 | Follows the Indiana portion of theNational Road | [3] |
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| The Indiana Lincoln Highway Byway | Illinois state line | Ohio state line | October 4, 2011 | Follows the Indiana portion of the original route of theLincoln Highway | [4] |
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| The Indiana Lincoln Highway Byway Alternate | Valparaiso | Fort Wayne | October 4, 2011 | Follows the Indiana portion of the 1928 route of theLincoln Highway | [4] |
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| Ohio River Scenic Byway | Illinois state line | Ohio state line | | Closely parallels theOhio River in Indiana | |
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| Indiana's Historic Pathways Byway | Illinois state line atVincennes, Indiana (U.S. Route 50 &U.S. Route 150) | Ohio state line, (U.S. Route 50) | 2004 | FollowsUS 50 in Indiana | |
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| Indiana's Historic Pathways Byway | Shoals atShoals, Indiana (U.S. Route 50 &U.S. Route 150) | Clarksville,U.S. Route 150 | 2004 | Follows mostlyUS 150 in Indiana | |
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| Wabash River Scenic Byway | Ross Hill County Park | Interstate 65/SR 43 inLafayette | 2008 (renamed in 2011) | Closely parallels theWabash River inTippecanoe County | |
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| Whitewater Canal Scenic Byway | Hagerstown | Lawrenceburg | June 2008 | FollowsSR 38,SR 1,SR 121,US 52, Old US 52, andUS 50 | |
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