As the state prepares to take control of Section 5 construction, take an in-depth look at the history of problems with the project.
Controversy surrounding the project dates back nearly 30 years.
The Indiana Transportation Museum announced it was suing the cities of Noblesville and Fishers, and the Hoosier Heritage Port Authority.
INDOT will assume control of the project by the end of July.
The Indiana Finance Authority wants to take the project over from I-69 Development Partners.
The realignment is part of a larger $290 million project to double track 16 miles between Michigan City and Gary.
Global credit ratings company Standard & Poors says if circumstances don't change, it's likely I-69 Development Partners will default within six months.
Area residents gave feedback to INDOT ahead of construction on a leg of I-65 between Columbus and Seymour.
The state says the 21-mile stretch of interstate won't be complete until August 2018.
Public perception is that merging airlines means problems, but the research shows mergers actually seemed to help improve on-time performance.