The Illinois Department of Transportation (IDOT) District 1 is leading the Eisenhower Preliminary Engineering Study. IDOT has responsibility for planning, construction and maintenance of Illinois' extensive transportation network, which encompasses, highways and bridges, airports, public transit, rail freight and rail passenger systems. The mission of IDOT is to provide safe, cost-effective transportation for Illinois in ways that enhance quality of life, promote economic prosperity, and demonstrate respect for the environment. www.dot.state.il.us

The Federal Highway Administration (FHWA) is the lead federal agency for the National Environmental Policy Act (NEPA) review process. The vision of the FHWA is to create the best transportation system in the world for the American people through proactive leadership, innovation, and excellence in service. We also provide expertise, resources, and information to continually improve the quality of our nation's highway system and its inter-modal connections. We undertake this mission in cooperation with all of our partners to enhance the country's economic vitality, quality of life, and the environment. The FHWA is a part of the Department of Transportation and is headquartered in Washington, D.C., with field offices across the United States. www.fhwa.dot.gov

Parsons Brinckerhoff (PB) is the primary consultant for planning and engineering for the Preliminary Engineering Study. Founded in 1885, PB is one of the oldest continuously operating engineering firms in the world. Recognized as a leader, PB provides a full range of engineering, consulting, planning, program management, construction management services for award-winning highways, tunnels, bridges, transit systems, power facilities, airports, and marine facilities, as well as buildings and site developments. PB is employee-owned, with over 9,000 people in more than 250 offices on six continents. The Eisenhower Preliminary Engineering Study is being performed in Parsons Brinckerhoff’s Chicago office. www.pbworld.com

Transportation Agencies
Illinois Department of Transportation – Division of Highways
Chicago Transit Authority
Cook County Highway Department
Illinois Department of Transportation, Division of Public Transit
Illinois State Toll Highway Authority
Metra
Pace Suburban Bus
Regional Transportation Authority
Federal Highway Administration (FHWA)

Regional Agencies
Chicago Area Transportation Study
DuPage Water Commission
Northeastern Illinois Planning Commission
West Central Municipal Conference
North Central Council of Mayors

Municipal Representatives
Village of Bellwood
Village of Broadview
City of Chicago - 24th Ward
City of Chicago - 29th Ward
Village of Forest Park
Village of Hillside
Village of Maywood
Village of Oak Park
Village of Westchester

Chicago Park District
Chicago Department of Transportation
Park District of Oak Park

State and Federal Representatives
State Representative Cynthia Soto, Fourth District
State Representative Karen Yarbrough, Seventh District
State Representative Calvin Giles, Eighth District
State Representative Terry Parke, 44th District
State Representative Angelo "Skip" Saviano, 77th District
State Senator Kimberly Lightford, Fourth Legislative District
State Senator Steven J. Rauschenberger, 22nd Legislative District
State Senator Don Harmon, 39th Legislative District
Representative William Lipinski, Third Congressional District
Representative Luis Gutierrez, Fourth Congressional District
Representative Rahm Emanuel, Fifth Congressional District
Representative Henry Hyde, Sixth Congressional District
Representative Danny Davis, Seventh Congressional District
Senator Dick Durbin, United States Senator
Senator Peter Fitzgerald, United States Senator

Others
General Manager, Concordia Cemetery
CSX Railroad
Forest Home Cemetery
Indiana Harbor Belt Railroad
Illinois State Police - District Chicago, Area I
Canadian National Railroad/ Wisconsin Central Division
U. S. Environmental Protection Agency