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Infrastructure Projects - Environmental Assessments


According to the National Environmental Policy Act (NEPA) Categorical Exclusions are "a category of actions which do not individually or cumulatively have a significant effect on the human environment...and for which, therefore, neither an environmental assessment nor an environmental impact statement is required."  Examples of typical projects that qualify for Categorical Exclusion may include:
  1. Traffic signal modifications
  2. Pavement markings not affecting the number of through traffic lanes
  3. Anti-skid treatments
  4. Curb and/or gutter repairs and construction of curb ramps for the handicapped
  5. Bridge rehabilitation activities including:
    • Bridge rail replacement and upgrading
    • Bridge deck overlay and waterproofing
    • Expansion joint replacement and upgrading
    • Bearing replacement and upgrading
    • Substantial repairs to deck including partial or full-depth patches
    • Painting of all structural steel for a particular bridge
    • Stringer replacement for a portion of the superstructure
    • Repairs to damaged rails, corroded or damaged structural steel members, and deteriorated areas of concrete elements including sidewalks, curbs, watertables, girders, and portions of the substructure above ground or water
  6. Lighting and electrical work including:
    • Continuous and tower lighting
    • Tunnel lighting
    • Temporary lighting
    • Bridge lighting
    • Pedestrian lighting
    • Pumping station
    • Highway advisory radio
    • Control systems for changeable lanes
    • Traffic monitoring systems
    • Changeable message signing
  7. Erosion control work which may also include slope repair and reconstruction
  8. Storm sewer installations to eliminate open ditches runoff storage/retention
  9. Impact attenuator and glare screen installations
  10. Highway/railroad grade crossing improvements including:
    • Repair/rehabilitation of crossing proper
    • Rehabilitation of immediate roadway approaches
    • Upgrading of crossing protection
  11. The following restoration-type projects:
    • Retaining wall restoration
    • Fencing
    • Guardrail replacement and upgrading
    • Substantial pavement and shoulder patching
    • Resurfacing
    • Restoration of drainage structures
  12. Installation of turning lanes
  13. Junkyard screening
  14. Upgrading safety features
  15. Approval of utility installations along or across a transportation facility, excluding longitudinal installations within the access control lines of interstate or freeway rights-of-way
  16. Alterations to existing buildings to provide for noise reduction
  17. Emergency repairs under 23 USC 125 which do not substantially change the design of the facility and which are initiated during or immediately after the occurrence of a declared national disaster
The above list is only a partial tool to help in your assessment. As an applicant, it is your responsibility to identify and provide all necessary local permits and NEPA materials that may be required for your project.