2015 Re-Evaluation of the O'Hare Modernization Environmental Impact Statement

The City of Chicago (City) has undertaken a program to modernize Chicago O'Hare International Airport (O'Hare) as approved in the O'Hare Modernization Environmental Impact Statement issued by FAA in July 2005. Designed to facilitate a primarily east and west traffic flow, the O'Hare Modernization Program (OMP) Build-Out is depicted on the FAA-approved Airport Layout Plan for O'Hare. The OMP runway projects completed include: new Runway 9L/27R on the north airfield and the extension to Runway 10L/28R on the south airfield, both of which were commissioned in 2008; and new Runway 10C/28C that was commissioned on October 17, 2013.

In January 2011, both United and American Airlines filed a state court lawsuit against the City regarding the timing and funding for the Completion Phase of the OMP. In March 2011, following negotiations with signatory airlines, it was announced there would be a construction schedule modification to the remaining airfield projects included in the OMP. The negotiations led to an agreement on a schedule to construct portions of the Completion Phase (Phase 2A) and an agreement to reconvene in March 2013 to begin to negotiate construction of the remaining portions of the Program (Phase 2B). Phase 2A includes the southern Runway 10R/28L and associated projects, plus North Airfield enabling projects (see diagram). Specifically, the commissioning of new Runway 10R/28L, new Runway 9C/27C and the extension of Runway 9R/27L would not occur within a single year, 2013, as previously documented in the EIS. Instead, Runway 10R/28L will be commissioned on October 15, 2015, new Runway 9C/27C is planned to be commissioned in November 2020, and the extension of Runway 9R/27L is planned to be commissioned in November 2021.

Substantial steps have been taken, and continue to occur, to construct Runway 9C/27C and the extension to Runway 9R/27L, including site preparation and construction of enabling projects. The current Re-Evaluation of the O'Hare Modernization Environmental Impact Statement will enable the FAA to consider and disclose any temporary impacts associated with the modified construction schedule. As noted above, the final airfield project – the extension of Runway 9R/27L just north of the terminal complex – is planned to be commissioned by November 2021, and when open, will represent the full completion of the Build Out presented in the original Environmental Impact Statement.

This Re-Evaluation was conducted to evaluate changes associated with the airfield construction schedule modifications that alter the timing for commissioning new Runway 10R/28L, new Runway 9C/27C, and the extension of 9R/27L, all of which were included in the original EIS but at different completion dates than those above. As such, the two interim conditions evaluated in this Re-Evaluation are:

  • Airfield present after the October 15, 2015 commissioning of Runway 10R/28L, and
  • Airfield present after the November 2020 commissioning of Runway 9C/27C.

A Re-Evaluation is a document the responsible FAA official prepares to document the validity of an Environmental Assessment or an Environmental Impact Statement. Conversely, a Re-Evaluation may conclude that substantial changes to the project or new information pertaining to affected environmental resources require preparation of a new Environmental Assessment or Environmental Impact Statement (FAA Order 5050.4b Para. 5(v)). This Re-Evaluation of the Environmental Impact Statement was being prepared to determine the validity of the Environmental Impact Statement by demonstrating if the data and analyses of the original Environmental Impact Statement are still substantially valid and if there are no new circumstances bearing on the original Proposed Action or its impacts. It also was conducted to determine if pertinent conditions of the prior Environmental Impact Statement approval have been shown to have been met or that they still will be.

Final Re-Evaluation

The Final Re-Evaluation of the O'Hare Modernization Environmental Impact Statement is available online to the public through the following links. For ease of accessing the document, FAA has divided the document into the chapters and appendices listed below. It is recommended that the reader download the document to their computer rather than attempt opening the files on the FAA website.

The Final Re-Evaluation was provided to the following libraries for public viewing to start on October 14, 2015:


The Final Re-Evaluation libraries
Library Name Street Address City/Village
Addison Public Library4 Friendship Pl.Addison
Albany Park Library 3401 W. Foster Ave.Chicago 
Arlington Heights Library500 N. Dunton Ave.Arlington Heights
Austin Irving Library6100 E. Irving Park Rd.Chicago 
Bartlett Public Library800 South Bartlett Rd.Bartlett
Bellwood Public Library600 Bohland Ave.Bellwood
Bensenville Community Public Library200 S. Church Rd.Bensenville
Berkeley Public Library1637 Taft Ave.Berkeley
Bezazian Library 1226 W. Ainslie St.Chicago 
Bloomingdale Public Library101 Fairfield WayBloomingdale
Bucktown - Wicker Park Library1701 N. Milwaukee Ave.Chicago 
Budlong Woods Library5630 N. Lincoln Ave.Chicago 
Carol Stream Public Library616 Hiawatha Dr.Carol Stream
College of DuPage Library425 Fawell Blvd.Glen Ellyn
Conrad Sulzer Regional Library4455 N. Lincoln Ave.Chicago 
Des Plaines Public Library1501 Ellinwood Ave.Des Plaines
Dunning Library 7455 W. Cornelia Ave.Chicago 
Edgebrook Library 5331 W. Devon Ave.Chicago
Edgewater Library6000 N. BroadwayChicago 
Eisenhower Public Library4652 N. Olcott Ave.Harwood Heights
Elk Grove Village Public Library1001 Wellington Ave.Elk Grove Village
Elmhurst Public Library211 Prospect Ave.Elmhurst
Elmwood Park Public Library4 W. Conti Pkwy.Elmwood Park
Evanston Public Library1703 Orrington Ave.Evanston
Forest Park Public Library7555 Jackson Blvd.Forest Park
Franklin Park Public Library10311 Grand Ave.Franklin Park
Galewood - Mont Clare Library6871 W. Belden Ave.Chicago 
Glendale Heights Library25 E. Fullerton Ave.Glendale Heights
Glenview Public Library1930 Glenview Rd.Glenview
Glen Ellyn Public Library400 Duane St.Glen Ellyn
Hanover Park Branch Library1266 Irving Park Rd.Hanover Park
Harold Washington Library400 S. State St.Chicago
Hillside Public Library405 Hillside Ave.Hillside
Hoffman Estates Library1550 Hassell Rd.Hoffman Estates
Humboldt Park Library1605 N. Troy St.Chicago 
Independence Library3548 W. Irving Park Rd.Chicago 
Itasca Community Library500 W. Irving Park Rd.Itasca
Jefferson Park Library 5363 W. Lawrence Ave.Chicago 
Lincoln Belmont Library 1659 W. Melrose St. Chicago 
Lincoln Park Library1150 W. Fullerton Ave.Chicago
Logan Square Library3030 W. Fullerton Ave.Chicago 
Lombard Public Library110 W. Maple St.Lombard
MayFair Library4400 W. Lawrence Ave.Chicago 
Maywood Public Library121 S. 5th Ave.Maywood
Melrose Park Public Library801 N. BroadwayMelrose Park
Merlo Library 644 W. Belmont Ave.Chicago 
Morton Grove Public Library6140 Lincoln Ave.Morton Grove
Mount Prospect Public Library10 S. Emerson St.Mount Prospect
Niles Public Library6960 W. Oakton St.Niles
North Austin Library5724 W. North Ave.Chicago 
North Pulaski Library4300 W. North Ave.Chicago 
Northlake Public Library231 N. Wolf Rd.Northlake
Northtown Library 6435 N. California Ave.Chicago 
Oak Park Public Library834 Lake St.Oak Park
Oakton Community College Library1616 E. Golf Rd.Des Plaines
Oriole Park Library 7454 W. Balmoral Ave.Chicago 
Park Ridge Public Library20 S. Prospect Ave.Park Ridge
Portage-Cragin Library 5108 W. Belmont Ave.Chicago 
Prospect Heights Public Library12 North Elm StreetProspect Heights
River Forest Public Library735 Lathrop Ave.River Forest
River Grove Public Library8638 W. Grand Ave.River Grove
Roden Library 6083 N. Northwest HighwayChicago 
Rogers Park Library6907 N. Clark St. Chicago 
Rolling Meadows Library3110 Martin Ln.Rolling Meadows
Roselle Public Library40 South Park St.Roselle
Schaumburg Township District Library130 S. Roselle Rd.Schaumburg
Schiller Park Public Library4200 Old River Rd.Schiller Park
Skokie Public Library5215 Oakton StreetSkokie
Uptown Library 929 W. Buena Ave.Chicago 
Villa Park Public Library305 S. Ardmore Ave.Villa Park
West Belmont3104 N. Narragansett Ave.Chicago 
Wilmette Public Library1242 Wilmette Ave.Wilmette
Wood Dale Public Library520 N. Wood Dale Rd.Wood Dale
Last updated: Friday, October 29, 2021