- Draft Environmental Impact Statement
Oct. 30, 2003 - Draft Section 4(f) Statement
Oct. 30, 2003 - Final Environmental Impact Statement
Jan. 8, 2009 - I-74 Final Section 4(f) Statement
Jan. 8, 2009 - Record of Decision
April 29, 2009 - Iowa Side Reevaluation
December 11, 2014 - Illinois Side Reevaluation
June 29, 2016 - Illinois Side Reevaluation - MOT
April 22, 2020