Illinois Livability & Sustainable Transportation–I-LAST

Illinois Livability & Sustainable Transportation–I-LAST


I-LAST is a rating system aiming to incorporate sustainable practices into the development and completion of Illinois state highway projects. Projects are evaluated for sustainability at the beginning of the project to determine which metrics are applicable and then assessed on the basis of the incorporation of those practices.

How It Works

Projects sustainability criteria are evaluated based on a credit scoring system.

Tool Outcome

A self-score table (generated by a checklist) intended to make project developers enhance sustainability performance for highway projects.

Sustainability Criteria

  • Planning
  • Design
  • Environmental
  • Water Quality
  • Transportation
  • Lighting
  • Materials
  • Innovation

Additional Information

  • Users of the tool -Project Team, Developers, Public Authorities
  • Phase when the tool applies – Planning, Design, Construction, Operation
  • Geographic application – Illinois