Understanding Sustainable Transportation Rating Systems

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Explore prominent sustainability infrastructure rating systems such as BE2ST-in-Highways, Envision, GreenLITES, Greenroads, I-LAST, and INVEST. Learn about I-LAST, an Illinois-based self-assessment tool promoting sustainable highway construction practices. Discover how these systems evaluate sustainability factors and criteria.

  • Sustainable Transportation
  • Infrastructure Rating Systems
  • Sustainability
  • Highway Construction
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  1. LECTURE 7 Sustainable Transportation Rating Systems Part 2

  2. Prominent sustainability infrastructure rating systems: 1. BE2ST-in-Highways 2. Envision 3. GreenLITES 4. Greenroads 5. I-LAST 6. INVEST Rating Systems for Infrastructure These systems employ different methods of determining sustainability emphasizing different sustainable factors. 2

  3. I-LAST Illinois Livable And Sustainable Transportation Encourages sustainable practices in highway construction Voluntary, paper-based, self-assessment tool Developed as a collaborative effort with: Illinois Department of Transportation (IDOT) American Consulting Engineers Council (ACEC) Illinois Road and Transportation Builders Association (IRTBA) I-LAST can be used throughout: Conceptual phase Design phase Future construction 3 3

  4. I-LAST (continued) Utilizes eight major categories: Water quality Planning Design Environmental Transportation Lighting Materials Innovation 4 4

  5. I-LAST (continued) Distributes 153 sustainable criteria under 17 broader criteria headings 1 3 points awarded per criterion Maximum of 233 points available No calculations, just yes/no answers 5 5

  6. I-LAST (continued) Percentage score based on ratio of points awarded to points achievable No awards system pending feedback from users Not really a rating tool just a guidebook https://idot.illinois.gov/Assets/uploads/files/Transportation-System/Reports/Desenv/Enviromental/I-LAST%20V%202%2002.pdf 6 6

  7. Criteria defined according to sustainable best practices under three headings: INVEST 1. Planning (17 criteria) 2. Project development (20 or 29 criteria) 3. Operations and maintenance (14 criteria) https://www.sustainablehighways.org/ 7

  8. System generates questions that require answers from administrators score is awarded based on answers Project awards: INVEST Bronze Silver Gold Platinum No third-party certification, but awards serve as unofficial recognition by FHWA. https://www.sustainablehighways.org/ 8

  9. COMPARISON OF Infrastructure Sustainability Rating Systems 9

  10. Comparison of Infrastructure Sustainability Rating Systems Planning & Design X Operations & Maintenance System Construction Total Points BE2ST-in-Highways X X X Envision 708 X X X GreenLITES 290 X X Greenroads 118 X I-LAST 233 X X X INVEST 576 How do the rating systems compare in the four major categories of environmental, water quality, energy, and materials? Source: C. M. Clevenger, M. E. Ozbeck, and S. Simpson. Review of Sustainability Rating Systems Used for Infrastructure Projects. 49th ASC Annual International Conference Proceedings, 2013. 10

  11. Environmental indicates the sub-criteria are represented elsewhere in the system Source: C. M. Clevenger, M. E. Ozbeck, and S. Simpson. Review of Sustainability Rating Systems Used for Infrastructure Projects. 49th ASC Annual International Conference Proceedings, 2013. 11

  12. Water Quality Source: C. M. Clevenger, M. E. Ozbeck, and S. Simpson. Review of Sustainability Rating Systems Used for Infrastructure Projects. 49th ASC Annual International Conference Proceedings, 2013. 12

  13. Energy Source: Caroline M. Clevenger, M. E. O., & Simpson, S. (2013). Review of Sustainability Rating Systems used for Infrastructure Projects. 49th ASC Annual International Conference Proceedings. 13

  14. Materials Source: C. M. Clevenger, M. E. Ozbeck, and S. Simpson. Review of Sustainability Rating Systems Used for Infrastructure Projects. 49th ASC Annual International Conference Proceedings, 2013. 14

  15. Summary System Envir. Water Energy Materials Other Total BE2ST-in-Highways (points determined by project team) Envision 36% 25% 8% 18% 13% 100% GreenLITES 6% 3% 4% 7% 80% 100% Greenroads 10% 10% 7% 19% 54% 100% I-LAST 22% 15% 7% 17% 39% 100% INVEST 8% 2% 7% 10% 73% 100% Each system has different areas of emphasis. 15 15

  16. LECTURE 7 Sustainable Transportation Rating Systems Part 2

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