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Final Tier 2 Environmental Assessment and Technical Reports

Tier 2 Final Environmental Assessment (June 21, 2016)

Tier 2 Final Environmental Assessment PDF (25 MB)
Appendix A - Section 4(f) Documentation PDF (7.6 MB)
Appendix B - Responses to Comments from Federal Agencies on Tier 2 Draft EA PDF (2.9 MB)
Appendix C - Responses to State Agency and State Elected Official Comments on Tier 2 Draft EA PDF (1.4 MB)
Appendix D - Responses to Local/Regional Agency Comments on Tier 2 Draft EA PDF (11.1 MB)
Appendix E - Responses to Public Comments on Tier 2 Draft EA PDF (130 KB)
Appendix F - Responses to Organization Comments on Tier 2 Draft EA PDF (11.1 MB)
Appendix G - Responses to Comments on 1/5/16 Tier 2 Revised EA PDF (7.4 MB)

Alternatives Development Technical Report (May 2016)

Alternatives Development Technical Report PDF (7 MB)
Appendix A - Existing Interchange Assessment Matrices PDF (361 KB)
Appendix B - Design Chronicles PDF (302 KB)
Appendix C - Alternative Pros and Cons PDF (28 MB)
Appendix D - NEPA Public Hearing Boards PDF (84 MB)
Appendix E - Public Information Boards PDF (83 MB)
Appendix F - RFP Conceptual Plans June 2016 PDF (49 MB)

Existing Conditions Technical Report (May 2016)

Existing Conditions Technical Report PDF  (29 MB)
Appendix A - Existing Interchange Assessment Matrices PDF (901 KB)
Appendix B - Ramp Movement Metrics PDF (243 KB)
Appendix C - Volume Balancing Metrics  PDF (18 MB)
Appendix D - VISSIM Calibration Assumptions Memorandum PDF (2.1 MB)
Appendix E - Intersection Approach Delay and LOS  PDF (902 KB)
Appendix F - Safety Analysis Qualitative Results PDF  (162 MB)
Appendix G - Safety Analysis Quantitative Results  PDF (15 MB)

Interchange Justification Report (August 2016)

Interchange Justification Report - Full Document PDF (9 MB)
Appendix A - Letters of Support PDF (479 KB)
Appendix B - Conceptual Plans PDF (81 MB)
Appendix C - Traffic Models PDF (98 MB)
Appendix D - Traffic Analysis Methods, Assumptions and Calibration Memorandums PDF (3 MB)
Appendix E - Preliminary Signing Plans PDF (60 MB)
Appendix F - MWCOG Congestion Survey Results and Aerials PDF (90 MB)
Appendix G - Environmental Assessment PDF (192 KB)
Interchange Justification Report - Exhibits PDF (15 MB)

Operations Concept Technical Report (July 2016)

Operations Concept Technical Report PDF (3.7 MB)

Transit and Transportation Demand Management (TDM) Technical Report (May 2016)

Transit and Transportation Demand Management (TDM) Technical Report PDF (21.2 MB)
Appendix A - Transit & Park-and-Ride Demand Forecasting Methodology Memorandum PDF (1.47 MB)
Appendix B - Bus Bay, Maintenance, and Storage Capacity Analysis Technical Memorandum PDF (1.17 MB)
Appendix C - Preferred Alternative Transit Service Individual Route Maps PDF (21.9 MB)
Appendix D - Existing Transit/TDM Provider Overviews PDF (3.11 MB)

Transportation Technical Report (August 2016)

Transportation Technical Report - Full Document PDF (37 MB)
Appendix A - Volume Figures PDF (11 MB)
Appendix B - Turning Movements PDF (12.5 MB)
Appendix C - Local and Regional Transportation Plans   PDF (317 KB)
Appendix D - Travel Demand Model & Post Processing Methodology & Assumptions Technical Memorandum PDF (229 KB
Appendix E - Travel Demand Forecasting Model Validation Memorandum PDF (1.5 MB)
Appendix F - Safety Analysis Qualitative Results (Figures 1-5)  PDF (54 MB)
Appendix F - Safety Analysis Qualitative Results (Figures 6-8) PDF (47 MB)
Appendix F - Safety Analysis Qualitative Results (Figures 9-11) PDF (40 MB)
Appendix F - Safety Analysis Qualitative Results (Figures 12-14) PDF (49 MB)
Appendix G - Safety Analysis Quantitative Results (Figures 1-4) PDF (67 MB)
Appendix G - Safety Analysis Quantitative Results (Figures 5-8) PDF (90 MB)
Appendix H - VISSIM Calibration Assumptions, Methodology, and Results Memorandum PDF (2.3 MB)
Appendix I - Arterial Traffic Operations Results  PDF (2.6 MB)
Appendix J - Freeway Traffic Operations Results PDF (2.4 MB)
Appendix K - 2040 No-Build Scenario from Draft Transportation Technical Report, May 12, 2015 PDF (8.8 MB)
Appendix L - Alternative 2A and 2B Analysis from Draft Transportation Technical Report, May 12, 2015  PDF (22 MB)
Appendix M - Supplemental Analysis Memos  PDF (4.3 MB)
Appendix N - Memorandum on I-66 People Moved and Mode Share  PDF (1.2 MB)
Transportation Technical Report - Exhibits  PDF (74 MB)