Use the buttons below to find a collection of reports, studies and findings that were completed by CTDOT.
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Black Rock Turnpike Safety Study Final Report
Buckland Area Transportation Study
- Final Report
- Executive Summary
- Chapter 1 - Preferred Recommendations
- Chapter 2 - Implementation Plan
- Chapter 3 - Financial Plan
- Appendix A - References Sited
- Appendix B - Project Timeline
- Appendix C - Public Comments
- Appendix D - Study Recommendations
- Appendix E - Right of Way Impacts
- Appendix F - Construction Cost Estimates
- Appendix G - National Transit Summary
- Appendix H - Updated Aquifer Protection Area in Manchester
- Appendix I - Public Comments
- Technical Memo 1 - Existing and Future Conditions Report
- Technical Memo 2 - Future Conditions Report - Roadway Alternatives
- Technical Memo 3 - TSM/TDM, Transit, Bicycle and Pedestrian Alternatives
- Technical Memo 4 - Land Use Study
Bus Stop Enhancements Final Report
Central Connecticut Rail Study
- Summary of Findings
- Freight Market Analysis
- CCRS Infrastructure Assessment
- Freight Workshop Summary
- Bus Rapid Transit Alternative
- Diesel Multiple Unit Alternative
- Transit Oriented Development
- Summary of Findings
- Historic Terryville Tunnel Photos & Articles
- Focus Groups Summary Report
- Survey Analysis Report
- Existing Conditions Report: Demographics and Transportation
- Study Corridor Base Maps
- Review of Previous Studies
- Scope of Work
Connecticut Rail Governance Study
CTDOT Strategic Technology Roadmap
CT Statewide Bus Study Final Report
Customer Experience (CX)
Danbury Branch Study
- Phase 2 Final Report
- Phase 1 Final Report
- Notice of Intent
- Coordination Plan
- Final Scoping Report
- Rail Infrastructure Report - Existing Conditions
- Existing Conditions Report
- Train Simulation Report for Alternatives
- Transit-Oriented Development Final Report
- Technical Summary Report
- Environmental Technical Memorandum: Existing Conditions
- Cover and Introduction
- Section 1 - Topography, Geology, and Soils
- Section 2 - Noise and Vibration
- Section 3 - Air Quality
- Section 4 - Energy
- Section 5 - Biological Diversity
- Section 6 - Threatened and Endangered Species
- Section 7 - Wetlands
- Section 8 - Floodplains and Floodways
- Section 9 - Historic Resources
- Section 10 - Archeological Resources
- Section 11 - Prime Farmland and Active Farmland
- Section 12 - Land Use
- Section 13 - Hazardous Contamination
- Section 14 - Surface and Groundwater Resources
- Section 15 - Public Recreational/4(f)/6(f) Lands
- Section 16 - Socioeconomics and Environmental Justice
- Section 17 - Scenic Roads
- Section 18 - Visual Resources
- Environmental Technical Memorandum: Impact Reports
- Section 1 - Topography, Geology, and Soils
- Section 2 - Noise and Vibration
- Section 3 - Air Quality
- Section 4 - Energy
- Section 5 - Biological Diversity
- Section 6 - Threatened and Endangered Species
- Section 7 - Wetlands
- Section 8 - Floodplains and Floodways
- Section 9.10 - Historic and Archaeological Resources
- Section 11 - Prime Farmland and Active Farmland
- Section 12 - Land Use
- Section 13 - Hazardous Contamination
- Section 14 - Surface and Groundwater
- Section 15 - Public Recreational/4(f)/6(f) Lands
- Section 16 - Socioeconomic and Environmental Justice
- Section 17 - Scenic Roads
- Section 18 - Visual Resources
Eastern Connecticut Corridor Rail and Transit Feasibility Study (ECRTS)
- Final Report
- Appendix A: Existing Conditions Report
- Appendix B: TOD Corridor Scan
- Appendix C: Previous Report Review
- Appendix D: Thames River Assessment
- Appendix E: Corridor Capacity
- Appendix F: Potential Station Sites
- Appendix G: Public Survey Report
- Appendix H: Preliminary Feasibility Assessment Summary Report
- Appendix I: Transit Service Plan
- Appendix J: Rail Service Plan
- Appendix K: Station Memo
- Appendix L: Economic Market Analysis
- Appendix M: Engagement Summary
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I-95 Corridor Branford to Rhode Island Feasibility Study
I-95 Improvements - Feasibility Study (Greenwich to New Haven) Technical Memorandum
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NEVI Plan
- Fiscal Year 2026 Connecticut NEVI Plan - September 2025
- Fiscal Year 2025 Connecticut NEVI Plan - November 2024
- Fiscal Year 2024 Connecticut NEVI Plan – August 2023
- Fiscal Year 2022-2023 Connecticut NEVI Plan – August 2022
New Haven Rail Yard Improvements Environmental Assessment
New Railroad Station at City of West Haven or Town of Orange Final Environmental Impact Evaluation
Niantic Station Feasibility Study
Noroton Heights Station Area Study
Norwalk Transportation Management Plan
- Cover
- Table of Contents
- Chapter 1-1 - Introduction
- Chapter 1-2 - Basic Design Controls
- Chapter 1-3 - Cross-section and Roadside Elements
- Chapter 1-4 - Intersection Design
- Chapter 1-5 - Transportation Demand Management
- Chapter 1-6 - Traffic Calming
- Chapter 2-1 - Project Development
- Chapter 2-2 - Transportation Demand Management
- Chapter 2-3 - Traffic Calming Program Implementation
- Chapter 2-4 - Traffic Impact Guidelines
- Chapter 2-5 - Recommended Policies and Strategies
- Chapter 3-1 - Demonstration Locations
- Chapter 3-2 - Active Transportation Discussion
- Appendix 1
- Appendix 2
- Appendix 3
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Pedestrian Safety Study - 2021-2027 - Comprehensive Report
Preliminary Development of a Wrong Way Rumble Strip using Ultra High-Performance Concrete Report
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Railroad Tax Exemption Program 2024 Final Report of Compliance
Resilience Improvement Plan (RIP)
Route 1 Bus Rapid Transit Feasibility Study Final Report
RT 2/2A/32 Transportation Improvement Study - Environmental Impact Statement
Route 3 Traffic and Development Study
Route 8 Deficiencies and Needs Study Int. 22-30
- Cover and Table of Contents
- Chapters 1 and 2 – Introduction and Existing Transportation Conditions
- Chapter 3 – Existing Environmental Conditions
- Chapters 4 and 5 – Future Transportation Conditions and Deficiencies and Needs Summary
- Chapters 6 and 7 – Alternative Screening Process and Recommendations
- Appendix A - Cost Estimates
- Appendix B - Correspondence
- Screening Analysis of Alternatives
- Interim Technical Memorandum
- Cover and Table of Contents
- Chapters 1 and 2 – Introduction and Existing Transportation Conditions
- Chapter 3 – Existing Environmental Conditions
- Chapters 4 and 5 – Future Transportation Conditions and Deficiencies and Needs Summary
- Existing and Future Transportation Conditions Graphics
- Existing Environmental Constraints Mapping
Route 202 Corridor Study - Torrington
Shore Line East 2025 Legislative Report/Update
Strategic Implementation Plan for the I-95 West Corridor (New York to New Haven)
Taxi and TNC Service Levels for Individuals with Disabilities Study
Toll Planning & Implementation Study
Transportation Needs and Nonmedical Transportation Services for People with Disabilities
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