 The Tier 2 process is now underway focused on the specific route which the planners have selected and are advocating.That route runs from Wilmington, Illinois to a point on I-65 east of Lowell, Indiana.The Illiana was first proposed a public-private partnership in which private investors would provide the capital funding for the road's construction in exchange for toll revenues, although those terms have more recently been changed to include significant upfront investment of public funds.