NCHRP Project 25-25 supports improvements to analytical methods, decision support tools, procedures, and techniques employed by practitioners to support statewide and metropolitan transportation planning, programming, and development.
| Task 120 | Use of the State Department of Transportation Portal to the International Stormwater BMP Database | Project Description |
| Task 119 | Enhancing the International Stormwater BMP Database to Serve as a Highway Specific BMP Database | Final Product |
| Task 118 | Context-Sensitive Design Options for Workhorse Bridges in Rural Historic Districts | Project Description |
| Task 117 | Valuing Wildlife Crossing Enhancements for Mitigation Credits | Project Description and Final Report |
| Task 116 | National Survey of State DOT Recommendations for Additional Section 106 Program Comments or Exemptions | Project Description and final report |
| Task 115 | Estimates of Emissions Reductions from Future Fleet Changes for Use in Air Quality Models | Project Description and Final Report |
| Task 114 | Integrating Tribal Knowledge into Processes to Identify, Evaluate, and Record Cultural Resources | Project Description |
| Task 113 | Highway Passages for Small Terrestrial Wildlife – Summary and Repository of Design Examples | Completed Research: Summary report, Slides, Design Examples, Case Studies, Design Considerations, Literature Review |
| Task 112 | Enhancing the International Stormwater BMP Database to Serve as a Highway Specific BMP Database | reprogrammed to NCHRP 25-25 Task 119 and 120 |
| Task 111 | Environmental Management System Perspectives For State DOTs | Final Report, Information Array, Tutorial Recorded Presentation, Presentation Slides |
| Task 110 | National Synthesis of Successful Strategies for Managing Post-World War II Resources in Historic Property Identification Surveys | Project Description, Final Report, Presentation, Slides |
| Task 109 | Successful Practices for Environmental Commitments in Public/Private Partnerships (P-3) and Design-Build (D-B) Contracts | Final Report |
| Task 108 | Creating Lookup Tables to Streamline the Determination of Emission Reductions for CMAQ Projects | Project Page, Toolkit and User Guide, Final Report |
| Task 107 | Synthesis of Best Practices for the Development and Implementation of Section 106 Delegation Programmatic Agreements | Quick Reference Guide, Final Report, PowerPoint |
| Task 106 | Highway Noise & Historic Properties: A National Review of Effects & Mitigation Practices | Final Report, PowerPoint |
| Task 105 | A Guidebook for Communications between Transportation and Public Health Communities | Project Description |
| Task 104 | Streamlining Carbon Monoxide Project-Level Air Quality Analyses with Programmatic Agreements | Project Description |
| Task 103 | Research and Report on the Administration of Categorical Exclusions by State Departments of Transportation (DOTs) under NEPA | Final Report |
| Task 102 | Artificial Bat Roost Mitigation Designs and Standardized Monitoring Criteria | Final Report, Best Management Practices Manual, Presentation Slides |
| Task 101 | Stormwater Monitoring Program Goals, Objectives and Protocols for State Departments of Transportation | Project Description |
| Task 100 | Compilation of Existing Data on Northern Long-Eared and Other Cave-Dwelling Bat Habitat and the Roadside Environment | Project Description |
| Task 99 | Lessons Learned from State DOT NEPA Assumption | Project Description, Final Report |
| Task 98 | Practical Guide for Developing Effective Scopes of Work for the Geophysical Investigation of Cemeteries | Project Description |
| Task 97 | Historic Roads: A Synthesis of Identification and Evaluation Practices | Project Description |
| Task 96 | Quick Reference Guide for Traffic Modelers for Generating Traffic and Activity Data for Project-Level Air Quality Analyses | Project Description |
| Task 95 | SCOE Strategic Plan and Research Plan for SCOE Areas of Interest | Project Description |
| Task 94 | Integrating Climate Change and Extreme Weather Into Transportation Asset Management Plans | Final Report |
| Task 93 | Long-Term Construction and Maintenance Cost Comparison for Road Stream Crossing Hydraulic Design vs. Bankfull Width Design | Project Description |
| Task 92 | Transferability of Post-Construction Stormwater Quality BMP Effectiveness Studies | Project Description |
| Task 91 | Synthesis of Transportation Exclusions to Section 106 Review | Project Description |
| Task 90 | Application of Geographic Information Systems (GIS) to Streamline the Identification of Historic Properties of Federally Funded Transportation Projects | Final Report, Power Point |
| Task 91 | Synthesis of Transportation Exclusions to Section 106 Review | Project Description |
| Task 89 | Establishing Representative Background Concentrations for Quantitative Hot-spot Analyses for Particulate Matter | Final Report, Case Studies, Power Point |
| Task 88 | Giving Away the Bridge: A National Synthesis of on Transferring Ownership of Historic Bridges | Final Report, Power Point |
| Task 87 | Coordination of Section 106 and Long Range Transportation Planning | Final Report, Power Point |
| Task 86 | Toxicological Effects of Chloride Based Deicers in the Natural Environment | Final Report |
| Task 85 | Nutrient (Nitrogen/Phosphorous) Management and Source Control | Final Report, Power Point |
| Tasl 84 | Development of Construction Guidelines for Wildlife Fencing and Associated Escape and Lateral Access Control Measures | Project Description |
| Task 83 | Current Practice of Post-Construction Structural Stormwater Control | Project Description |
| Task 82 | Permeable Shoulders | Project Description |
| Task 81 | Federal Compliance for Projects Utilizing Alternative Funding Strategies | Project Description |
| Task 80 | Potential Use of Social Media Impact in the NEPA Process | Project Description |
| Task 79 | Successful Practices for Effective Tribal Consultation | Project Description |
| Task 78 | Programmatic Agreements for Project-Level Air Quality Analyses Using MOVES, CAL3QHC/R and AERMOD | Project Description, Final Report, Appendix B: Programmatic Agreement Template, Appendix C, Technical Support Document Template, and Data Files |
| Task 77 | Strategic Options of Inventorying and Updating Environmental Guidance and Links | Final Report, Presentation |
| Task 76 | Synthesis of Climate Change and Transportation Research Efforts at State DOTs, State Universities, and the Federal Level | Final Report |
| Task 75 | Nationwide Evaluation of Transfer of Compensatory Wetland Creation Sites for Transportation Projects to Private Conservation Organizations or Government Conservation Agencies | Final Report |
| Task 74 | Meeting the New EPA Effluent Limitations Guideline for Construction Site Discharge Turbidity: Effectiveness of Different Turbidity Control Systems and Monitoring Methods | Final Report |
| Task 73 | Improved Environmental Performance of Highway Maintenance | Final Report and Appendices |
| Task 72 | Current Practices to Address Construction Vibration and Potential Effects to Historic Buildings Adjacent to Transportation Projects | Final Report |
| Task 71 | Templates for Project-Level Analyses Using MOVES and AERMOD | Final Report and Draft Templates |
| Task 70 | Assessment of Quantitative Mobile Source Air Toxics in Environmental Documents | Final Report |
| Task 69 | Identification of Tools and Techniques to Define Community Context as Part of the Transportation Project Planning and Development Process | Final Report and Community Context Searchable Database |
| Task 68 | Implementing Measures to Reduce Highway Impacts on Habitat Fragmentation | Final Report and Appendices |
| Task 67 | Optimizing Conservation and Improving Mitigation Cost/Benefit | Final Report |
| Task 66 | Best Practices and Lessons Learned on the Preservation and Rehabilitation of Historic Bridges | Final Report |
| Task 65 | Synthesis of Greenhouse Gas Emission Inventory Methodologies for State Transportation Departments | Final Report |
| Task 64 | Feasibility Study of Using Solar or Wind Power for Transportation Infrastructure | Final Report and accompanying appendices and spreadsheets. |
| Task 63 | Transportation Corridor Environmental Management Framework | Final Report |
| Task 62 | Improving the Effectiveness of Outreach to Traditional and Non-Traditional Groups by Integrating the Expertise of Existing and Emerging Citizen Coalitions into Transportation Analysis and Decision Making | Final Report |
| Task 61 | Best Practices for Establishing and Maintaining Statewide Cultural Resource Databases at State DOTs | Final Report and the accompanying presentation |
| Task 60 | Increased Use of Environmentally Preferable, Non-Toxic Products to Reduce Costs,Liabilities, and Pollution at DOT Offices, Maintenance Facilities and Rest Stops | Final Report and the accompanying State Department of Transportation Environmentally Preferable Purchasing Guide |
| Task 59 | Evaluate the Interactions Between Transportation-Related Particulate Matter, Ozone, Air Toxics, Climate Change, and Other Air Pollutant Control Strategie | Final Report |
| Task 58 | Methods to Address Greenhouse Gas Emissions from Transportation Construction/Maintenance/Operations Activities | Final Report and the Greenhouse Gas Calculator for State Departments of Transportation (GreenDOT) spreadsheet-based tool (.xls) |
| Task 57 | Integrated State and Local Government Policy Approaches to Transportation and Climate (This project was executed as part of NCHRP 08-36, Task 94, Integrated State and Local Government Policy Approaches to Transportation and Climate) | Final Report |
| Task 56 | Cost and Benefit of Transportation Specific MS4 and Construction Permitting | Final Report |
| Task 55 | Design, Organize and Implement a Training Program for Mainstreaming Environmental Stewardship and Enhancement Activities into Planning and Project Development | Final Report Brochure Power Point Presentation |
| Task 54 | Evaluate Colorado’s Area-wide Cumulative Effects Assessment (ACEA) Methodology as a Mechanism for Cumulative Impacts Analysis of Regional Transportation Plans | Final Report PowerPoint Presentation |
| Task 53 | Stormwater Treatment with Vegetated Buffer | Final Report Power Point Presentation |
| Task 52 | Informational Requirements for Jurisdictional Determinations to be Issued by the Army Corps of Engineers (Corps) Under the Clean Water Act (CWA) | Final Report |
| Task 51 | Asset Management of Environmental Mitigation Features | Final Report |
| Task 50 | Finding the Carrot Instead of the Stick – Incentive-based Approaches for Environmental Compliance | Final Report |
| Task 49 | Effective Practices for Considering Historic Preservation in Transportation Planning and Early Project Development | Final Report |
| Task 48 | Compendium of Environmental Fieldwork Technologies | Final Report |
| Task 47 | Compendium of Best Practices for Incorporating Environmental Commitments into Transportation Project Construction Contract Documents | Final Report |
| Task 46 | Compendium of Best Practices for Environmental Compliance and Stewardship at Transportation Maintenance Facilities | Final Report |
| Task 45 | Transportation Program Responses to Greenhouse Gas (GHG) Reduction Initiatives and Energy Reduction Programs | Project Description |
| Task 44 | Development and Implementation of a Transportation and Climate Change Clearinghouse | Project Page |
| Task 43 | Guidance on Legal Sufficiency Criteria for Adequate Cumulative and Secondary Impacts Analysis in EIS Documents | Final Report |
| Task 42 | Determine Alternative Calculations for Fine Particulate Emission Factors Other Than AP-42 Applicable to Calculate Re-entrained Dust on Transportation Projects | Final Report User Guide |
| Task 41 | Implementation of Community & Cultural Resource Commitments | Final Report |
| Task 40 | New Noise Barrier Products & Noise Barrier Approval Research & Guidelines | Final Report Appendix A |
| Task 39 | Improving Project Environmental Cost Estimates | Final Report Final Guidance |
| Task 38 | Guide to Use of Tier I Environmental Impact Statements for Transportation Projects | Final Report |
| Task 37 | Effective Organizational Structures and Management Practices for Achieving Environmental Stewardship in Transportation Agencies | Final Report |
| Task 36 | Recurring Community Impacts | Final Report |
| Task 35 | Water Quality Analyses for NEPA Documents: Selecting Appropriate Methodologies | Final Report |
| Task 34 | Streamlined Carbon Monoxide Hot Spot Screening / Modeling Tool | cancelled |
| Task 33 | National Register of Historic Places Eligibility | Final Report |
| Task 32 | Linking Environmental Resource and Transportation Planning–The Current State of Practice | Final Report Appendix E Appendix F |
| Task 31 | Cost Effective Tools for Achieving PM 2.5 Transportation Air Quality Conformity | cancelled |
| Task 30 | Section 404 Permitting and Roadside Ditches as Jurisdictional Waters | cancelled |
| Task 29 | Best Practices Library from the Environmental Stewardship Practices in Construction and Maintenance Compendium | Final Report |
| Task 28 | Reevaluations of NEPA documents | Final Report |
| Task 27 | Project Management and NEPA | Final Report Appendix |
| Task 26 | Integration of Charrette Processes into Project Planning | cancelled |
| Task 25 | Modification and Amendment of Environmental Permits on Design-Build Projects | Final Report |
| Task 24 | Climate Change and U.S. Transportation | |
| Task 23 | Environmental Performance Measurements Related to Transportation Project Planning, Design, Construction, Maintenance and Operations | Final Report |
| Task 22 | Land Use Forecasting for Indirect Impacts Analysis | Final Report |
| Task 21 | Assessment of Geophysical Remote Sensing Opportunities at State Departments of Transportation for Incorporation into Archaeological Investigations | Final Report |
| Task 20 | The Role of State DOTs in Support of Transit Oriented Development (TOD) | Final Report |
| Task 19 | Historic Bridge Rehabilitation / Replacement Decision Making | Final Report |
| Task 18 | Recommended Approaches to Communicating Air Toxics Issues and Transportation Project-Related Analyses in NEPA Documents | Final Report |
| Task 17 | Assessment of Greenhouse Gas Analysis Techniques for Transportation Projects | Final Report |
| Task 16 | State Transportation Agency Strategies to Address NPDES Phase II Requirements | Final Report Appendix |
| Task 15 | Historic Bridges | Final Report |
| Task 14 | A Summary of Existing Research on Dam Removal Projects | Final Report |
| Task 13 | Agency Use and Approach to FHWA Approved Programmatic Agreements | Final Report |
| Task 12 | Design-Build Environmental Compliance Process and Level of Detail Required | Final Report |
| Task 11 | Secondary/Indirect and Cumulative Effects Analysis Compatible Approach Flow Chart, ICI Matrix | Final Report |
| Task 10 | Alternative Mitigation Strategies/Early Mitigation: Streamlining and Achieving Net Benefits for the Natural Environment | Final Report |
| Task 9 | Use of Existing Data in Decision Making | cancelled |
| Task 8 | Developing Performance Data Collection Protocol for Stream Restoration | Final Report |
| Task 7 | Evaluation of Mobile Models: MOBILE 6.1, MOBILE 6.2 and MOBILE6/CNG | Final Report |
| Task 6 | Preparing State DOTs for Implementation of the 8-hour Ozone and PM 2.5 Standards | Project Description |
| Task 5 | Assessing the Current State of the NEPA Environmental Review Process | Final Report |
| Task 4 | Environmental Stewardship Best Practices for Road Maintenance and Construction | Final Report |
| Task 3 | Assessment and Mitigation Strategies for Land Development Impacts of Transportation Improvements | Final Report |
| Task 2 | Transportation Impacts and “Smart Growth” Initiatives | Final Report |
| Task 1 | Synthesis on Data Needs for EA and EIS Documentation | Final Report |