Did You Know?

Study Team

For the project study, IDOT will act as a joint lead agency with the Federal Highway Administration (FHWA). A consultant team led by Stantec will conduct the environmental studies associated with the I-55 Managed Lane Project for IDOT.

The Illinois Department of Transportation (IDOT) is managing the overall I-55 Project. 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. For more information visit 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. They also provide expertise, resources, and information to continually improve the quality of our nation's highway system and its inter-modal connections. They undertake this mission in cooperation with all of their partners to enhance the country's economic vitality, quality of life, and the environment. The FHWA is a part of the U.S. Department of Transportation and is headquartered in Washington, D.C., with field offices across the United States. For more information visit fhwa.dot.gov.

CH2M HILL is a consulting firm serving as the Program Management Consultant managing the I-55 Project. As a global leader in consulting, design, design-build, operations, and program management, CH2M HILL has the human and technical resources, the international footprint, and the depth of know-how and experience to help clients achieve success in any corner of the world. For more information visit ch2m.com.

A consultant team led by Stantec and supported by specialty sub consultants is conducting the I-55 Managed Lane Environmental Assessment. Sub consulting firms include:

  • CDM Smith, Inc.
  • Christopher B. Burke Engineering, Ltd.
  • Martinez Corporation
  • Images, Inc.
  • Lin Engineering, Ltd
  • Gandhi and Associates, Inc.

Stantec, founded in 1954, provides professional consulting services in planning, engineering, architecture, interior design, landscape architecture, surveying, environmental sciences, project management, and project economics for infrastructure and facilities projects. For more information about Stantec visit stantec.com.