I-270 Environmental Assessment

For access to these Environmental Assessment documents, please contact the project team at [email protected].

  • I-270 Environmental Assessment Appendix A01_existing safety conditions report
  • I-270 Environmental Assessment Appendix A02_traffic_tr_september 2022
  • I-270 Environmental Assessment Appendix A03_cur_august 2022
  • I-270 Environmental Assessment Appendix A04_air quality report
  • I-270 Environmental Assessment Appendix A05_hazmat_phase ii esa
  • I-270 Environmental Assessment Appendix A06_traffic noise report
  • I-270 Environmental Assessment Appendix A07_via_memorandum
  • I-270 Environmental Assessment Appendix A08_multimodal_technical_report_03-2022
  • I-270 Environmental Assessment Appendix A09_water_quality_technical_memo_08-2022
  • I-270 Environmental Assessment Appendix A10_wetlands and aquatic resources
  • I-270 Environmental Assessment Appendix A11_flood plains technical report
  • I-270 Environmental Assessment Appendix A12_biological resources report
  • I-270 Environmental Assessment Appendix A13_historic resources inventory
  • I-270 Environmental Assessment Appendix A14_archaeological assessment
  • I-270 Environmental Assessment Appendix A15_section4f-6f_resources_memorandum
  • I-270 Environmental Assessment Appendix A16_cumulative impact_083122
  • I-270 Environmental Assessment Appendix A17_paleontological technical memorandum
  • I-270 Environmental Assessment Appendix A18_stakeholder_pub outreach_agency coord
  • I-270 Environmental Assessment Appendix B1_alternative development_report
  • I-270 Environmental Assessment Appendix B2_project setting-alternatives descriptions_august 2022
  • I-270 Environmental Assessment Appendix b3_graphic_mapbook_083022
  • I-270 Environmental Assessment Mapbook 100522
  • 23198_I-270 Corridor Improvements Environmental Assessment_workingdraft_september 2022
  • 23198_i-270 Corridor-improvements-ea_workingdraft_september 2022