An Indiana Department of Transportation official says U.S. Fish and Wildlife Service concerns over how the proposed Illiana Expressway toll road might impact endangered species and habitat has delayed final federal approval.

http://thesouthern.com/ap/state/illiana-highway-ruling-slowed-by-wildlife-concerns/article_4f333592-2889-5a6b-af74-818d5c0f6c34.html