ODOT relied on extensive collaboration of the following groups:

• Federal Highway Administration
• Federal Railroad Administration
• United States Environmental Protection Agency
• United States Army Corps of Engineers
• United States Department of Interior
• Federal Transit Administration
• Defense Logistics Agency
• United States Postal Service
• Oklahoma Department of Transportation
• Oklahoma Department of Commerce
• Oklahoma Department of Environmental Quality
• Oklahoma Department of Wildlife Conservation
• Oklahoma Historical Society
• Oklahoma Water Resources Board
• Oklahoma Department of Public Safety
• Oklahoma Highway Patrol
• Oklahoma County
• Association of Central Oklahoma Governments
• Central Oklahoma Transportation & Parking Authority
• City of Oklahoma City, especially Planning Commission and Public Works
• City of Oklahoma City Riverfront Redevelopment Authority
• Oklahoma City Beautiful, Interstate 40 and Downtown Boulevard Enhancement Steering Committee /
• Centro Comunitario Riverside / Latino Community Development Center *

During the environmental study process – representatives of the following agencies and organizations met periodically to study the various alignment choices:

• Union Pacific Railroad Company, Burlington Northern Santa Fe Railway Company - Representatives (during the environmental study process)
• Oklahoma Trucking Association
• Association of Central Oklahoma Governments
• Central Oklahoma Transportation & Parking Authority
• City of Oklahoma City
              Public Works Department
              Planning Department
• Defense Logistics (Tinker AFB)
• Federal Highway Administration
• Federal Railroad Administration
• Federal Transit Administration
• Oklahoma Aeronautics Commission
• Oklahoma Department of Transportation, including:
    Pre-Construction Division
    Roadway Design Division
    Planning Division
    Bridge Division
    Rail Planning Division
    Division IV
    Transit Programs
  
• Board of Oklahoma County Commissioners
• Oklahoma Department of Commerce
• Oklahoma Department of Environmental Quality
• Oklahoma Office of Handicapped Concerns
• Oklahoma Department of Human Services
• Oklahoma Department of Wildlife Conservation
• Oklahoma Gas & Electric
• Oklahoma Highway Patrol
• Oklahoma Natural Gas Company
• Oklahoma Historical Society
• Oklahoma Water Resources Board
• United States Army Corps of Engineers
• United States Postal Service

• Aero Design
• Airport Express
• Area wide Aging Agency
• Bricktown Association
• City Rescue Mission
• Commercial Real Estate Council of Oklahoma City
• Greater Oklahoma City Chamber of Commerce
• Greyhound Bus Lines Property Management
• Ground Water Protection Council
• J. W. Hoyt & Associates
• Langston Western Wear
• Jefferson Bus Lines
• Latino Community Development Agency
• League of Women Voters
• Little Flower Church
• MAPS Transportation Committee
• Neighborhood Alliance, Inc.
• Oklahoma Bicycle Coalition
• Oklahoma City Association of Realtors
• Oklahoma City Boathouse Foundation
• Oklahoma City Urban Renewal Authority Second Century, Inc.
• Oklahoma Coalition of Clean Air
• Oklahoma Good Roads & Streets Association
• Oklahoma Goodwill Industries
• Oklahoma Highway Users Federation
• Oklahoma Restaurant Association
• Producers Cooperative Oil Mill
• Riverside Neighborhood Association
• The Salvation Army
• Shidler-Wheeler Neighborhood Association
• Sierra Club, Oklahoma Chapter
• South Oklahoma City Chamber of Commerce
• Stockyards City Main Street
• United National Indian Tribal Youth