NEPA Studies

National Environmental Policy Act (NEPA) Studies

Huff & Huff, Inc. specializes in the environmental analysis of state and local road projects.  Our extensive experience in transportation ranges from intersection improvements to environmental analysis of over 70 miles of new freeway.  For these projects, we have completed a significant number of environmental evaluations in the following different areas:

  • National Environmental Policy Act Coordination
  • Environmental Impact Statements
  • Environmental Assessments
  • Categorical Exclusions
  • Environmental Documentation
  • Wetlands/Ecology Delineation and Permitting
  • Noise/Vibration—Impact Assessments and Noise Abatement
  • Socioeconomic Impacts
  • Threatened and Endangered Species
  • Air Quality
  • Tree and Vegetation Surveys
  • Historical Impacts—Section 106
  • Public Lands—Section 4(f)
  • Water Quality Analysis
  • Special Waste
  • Salt Spray Studies
  • CSS – Context Sensitive Solutions and Public Facilitation
  • Sustainable Aspects of Infrastructure Projects


Huff & Huff, Inc. is pre-qualified by IDOT as the overall lead in Environmental Impact Statements (EIS).

We are also pre-qualified in Illinois and Indiana in the following EIS specialty areas:

  • Ecology
  • Water Quality
  • Air Quality
  • Noise
  • Community Impacts Analysis
  • We have worked in for a range of transportation clients.  These include the following:
  • Illinois Department of Transportation (IDOT)
  • City of Chicago
  • Numerous Counties in the Chicago Metropolitan Area
  • Kendall and DeKalb Counties
  • Metra Commuter Rail
  • Illinois State Toll Highway Authority