Sustainable Highways Initiative

Archives: FHWA Resources – Publications

This page contains archived items from the FHWA Resources - Publications page. To view the most recent items, click here.


2017

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Georgetown Climate Center’s Report on Urban Climate Resiliency (5-2017)
The Georgetown Climate Center’s recent report on an urban climate preparedness framework includes interviews/feedback from city officials, a review of city adaptation plans, and a literature review on how cities can thrive will encountering climate disruptions. The report highlights seven adaptation strategies and reviews the first steps in urban resiliency and infrastructure development.

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Greater Rochester Region Infrastructure Vulnerability Assessment (5-2017)
FHWA has released a study assessing transportation infrastructure vulnerabilities to natural and human-caused hazards in the Greater Rochester area. The region’s MPO has worked to identify vulnerabilities of their transportation systems, and the report creates profiles for each hazard and affected asset.

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Low-Carbon Natural Gas: Analysis of Economic Potential (4-2017)
An analysis of the economic potential of low-carbon natural gas (LCNG) was produced by the Joint Institute for Strategic Energy Analysis. This report contains data on feedstocks used to produce the biogas, and shows the total resource potential for LCNG production. Also included is anticipated fuel demand, and analysis of cumulative emissions on a per-mile-traveled basis for each of LCNG pathway’s total cost.

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Oregon DOT Reports On Climate Resiliency Efforts in Tillamook County (4-2017)
A report on climate resilience in Tillamook County, OR details the county’s capacity to adapt to flooding on highways and roads, landslides, and sinkholes, and adapting to new environmental conditions. Oregon DOT highlights the importance of communication, building capacity at the local level, and the maintenance of infrastructure.

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Draft Inventory of U.S. Greenhouse Gas Emissions and Sinks Released by EPA (2-2017)
The EPA has released the draft of its annual inventory of all man-made U.S. greenhouse gas emissions and sinks, which provides information by source, economic sector, and type of greenhouse gas from the years 1990 to 2015.

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Department of Energy Report Highlights Mobility Scenarios for Transportation (2-2017)
The Department of Energy has released a report exploring four possible mobility futures that might exist in 2050, with the positive and negative impacts these can have on energy consumption and the broader economy. The report considers the two factors with the highest potential to transform the transportation sector: vehicle control (driver-only vs. fully automated self-driving) and vehicle ownership (personal ownership vs. fully shared).

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Secretary Foxx Releases Beyond Traffic 2045 Final Report on Future of Transportation (1-2017)
U.S. DOT Secretary Anthony Foxx released the final Beyond Traffic 2045 report, which highlights the transportation challenges the country will face for the next 30 years. The report finds that the U.S. transportation system, and its current planning and funding mechanisms, will not meet the demands presented by trends including population growth, climate change, and new technologies like driverless cars.

2016

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Study: Effect of Housing on Vehicle Miles Traveled (12-2016)
The National Center for Sustainable Transportation released a report that examines how current affordable housing policies can enable access jobs and transit-rich communities. The report examines the trade-offs of rescaling housing voucher thresholds and showed that affordable housing near rail does not show signs of being systematically more expensive that other projects.

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TRB Releases Report Summarizing Symposium on Transportation Resilience (12-2016)
The Transportation Research Board has released “Transportation Resilience: Adaptation to Climate Change and Extreme Weather Events,” a report summarizing an international symposium held in Brussels on June 16-17, 2016. The symposium brought together high-level experts from the European Union and the U.S. to discuss disruptions to the transportation system resulting from climate change and extreme weather events. The report focuses on the technical, financial, and policy challenges to better plan, design, and operate the transportation network before, during, and after extreme and/or long-term climate events.

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Endangered Species Consultation Handbook Issued by AASHTO (12-2016)
AASHTO has issued a new practitioner’s handbook providing an overview of Section 7 consultation under the Endangered Species Act for transportation projects. The handbook, Complying with Section 7 of the Endangered Species Act for Transportation Projects (Practitioner’s Handbook 17), is the latest in the practitioner’s handbook series. The handbook includes an overview of the regulatory framework, issues to consider, and practical tips. A webinar by the Center for Environmental Excellence by AASHTO will be scheduled soon to discuss the handbook.

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EPA Issues Recommendations for Improving Air Quality Near Roads and Highways (11-2016)
The EPA has released a research paper with recommendations for constructing roadside vegetation barriers to improve near-road air quality. The report encompasses barrier design recommendations, characteristics for best vegetative barriers, benefits of combining vegetation with solid noise barriers, and various other resources.

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Study Focuses on Transit Agency Experience with Extreme Weather (10-2016)
A study on U.S. public transit agency experience in responding to extreme weather events has been conducted by the University of Florida, Center for Urban Transportation Research. The study includes recent experiences; perception of weather and climatic risks; assessment of organizational priority, capacity, and challenges of managing extreme weather; and organizational responses and adaptation measures.

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EPA Announces Stormwater Planning Guide, Toolkit and Technical Assistance (10-2016)
The Environmental Protection Agency has announced a draft guide, toolkit, and technical assistance for voluntary long-term stormwater planning for communities. The guidance specifies how to develop a comprehensive stormwater plan that integrates stormwater management with communities’ broader plans for economic development, infrastructure investment, and environmental compliance.

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Transportation Research Record: Systems Resilience and Climate Change (7-2016)
The recent edition of the Transportation Research Record: Systems Resilience and Climate Change (No. 2599) includes articles on Dynamic Learning Process for Selecting Storm Protection Investments, Adaptive Planning for Transportation Corridors Threatened by Sea Level Rise, Unconventional Intersection Control Strategies for Urban Evacuation, Modeling Evacuation Behavior Under Hurricane Conditions, and Using Big Data to Study Resilience of Taxi and Subway Trips for Hurricanes Sandy and Irene, among others.

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Transportation Research Record: Environment (7-2016)
The recent edition of the Transportation Research Record: Environment (No. 2571) includes articles on connecting consumers and producers of recycled materials, lessons learned in climate adaptation studies, and traffic-related heavy metal contamination, among others.

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Optimizing Cold In-Place Recycling (CIR) Applications Through Fracture Energy Performance Testing (6-2016)
The Minnesota Department of Transportation conducted research comparing the performance of cold in-place recycling of different stabilization materials for pavement by using a newly-developed testing method called Fracture Index Value for Energy. Submissions are due by August 22, 2016.

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Partnerships for Promoting Pollinator Habitat (6-2016)
Minnesota DOT (MnDOT) conducted research on the experiences of state DOTs in developing and maintaining pollinator habitats. The Transportation Research Synthesis document provides the literature review and survey findings from nine state DOTs and Minnesota counties. The current practices include developing new pollinator-specific partnerships; existing partnerships that have been expanded to address pollinators; and Adopt-a-Highway programs that support maintenance of vegetation in the ROW.

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Evaluation and Assessment of Environmentally Sensitive Stream Bank Protection Measures (6-2016)
TRB's NCHRP Report 822 evaluates and assesses existing guidelines for the design, installation, monitoring, and maintenance of environmentally sensitive stream bank stabilization and protection measures, and develops quantitative engineering design guidance for selected treatments. Updated design guidelines for three widely used treatments are presented: live siltation and live staking with a rock toe, vegetated mechanically stabilized earth, and vegetated rip rap.

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NCHRP Impacts on Practice: A Long-Term View of Sustainability (6-2016)
TRB's NCHRP Report 750, Volume 4: Sustainability as an Organizing Principle for Transportation Agencies explores sustainability as a “triple bottom line” of environmental, economic, and social sustainability. The summary explores how the California Department of Transportation and New York State Department of Transportation applied the findings of Report 750, Volume 4 to reframe and better coordinate activities and priorities involving sustainability across departments.

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Webinar Recording: 2016 Moving Environmental Justice (EJ) Forward in Transportation Planning (5-2016)
The recording for a webinar on environmental justice in transportation planning that was held on May 18, 2016 is now available. The webinar reviewed eight focus areas, received input on the Environmental Justice roadmap, and discussed strategies and plans for increasing Environmental Justice presence in planning and project development.

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TRB Straight to Recording for All: Air Quality Fundamentals (5-2016)
TRB created a series of videos to help viewers understand addressing air quality issues in the highway planning process.

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Proceedings from Transportation for Sustainability: An International Conference May 2015 (2-2016)
The proceedings from the May 2015 Transportation for Sustainability: An International Conference are now available. The conference covered topics including global sustainability practices, measuring sustainability, and climate change.

2015

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Increasing Highway Capacity Unlikely to Relieve Traffic Congestion (10-2015)
The National Center for Sustainable Transportation released a policy brief finding that additional roadway capacity does not alleviate traffic congestion. Research demonstrates that increases in roadway capacity eventually increase vehicle miles traveled (VMT). Moreover, this increase in VMT counteracts the reductions in greenhouse gas emissions that would result from reduced congestion.

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Pavement Recycling: An Effective Reuse of Resources (10-2015)
The TRB publication “Research Pays Off” looks at how the Virginia DOT uses recycled materials to address highway pavement deterioration. The article covers techniques used and the benefits yielded.

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Integrating Extreme Weather into Transportation Asset Management Plans (9-2015)
This NCHRP report outlines a process and provides a template to assist transportation agencies in incorporating climate change and extreme weather consideration into their Transportation Asset Management Plans (TAMPs).

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Washington DOT Sustainable Transportation Action Plan - 2013-2015 Fiscal Biennium Close Out (11-2015)
Washington State DOT released its closeout report that describes major agency activities that promote sustainable practices and clean transportation in Washington State for the 2013-2015. The plan reports on progress on a number of topics, including WSDOT facilities, highway lighting, highway maintenance, operational efficiencies, commute trip reduction, climate preparedness, and greenhouse gas inventory and reduction strategies.

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Benefits of Transportation: Telling America's Transportation and Environment Story (2015)
The AASHTO Center for Environmental Excellence created a report outlining strategies for reframing and increasing the reach of state DOTs' messaging about all of the work that improves quality of life in their states. The report includes high level recommendations for communications and environmental staff at state DOTs, as well as a number of “next steps” activities.

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TRB Report on Systems Resilience and Climate Change (2015)
Volume 2532 of the Journal of the Transportation Research Board compiles 18 papers examining resilience and climate change issues as they relate to transportation.

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NCHRP Report: Measuring and Removing Dissolved Metals from Stormwater in Highly Urbanized Areas (7-2015)
NCHRP Report 767 presents prototype best management practices for removing dissolved metals in stormwater runoff in highly urbanized areas. The report includes standard protocols for accurate dissolved metal measurements in stormwater and practical guidance on the use of these protocols.

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A GIS-Based Expert Systems Predictive Habitat Model for Threatened and Endangered Species: Case Study Using Kentucky Arrow Darter (2015)
The Kentucky University Kentucky Transportation Center released a report presenting a GIS-based predictive habitat suitability model that could be useful to transportation planners when determining sensitive landscapes for an endangered fish species in transportation planning processes.

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Achieving California’s Greenhouse Gas Goals: A Focus on Transportation (9-2015)
A new report by the Policy Institute for Energy, Environment and the Economy of the University of California, Davis assesses the policies and programs developed in response to the California Global Warming Solutions Act of 2006 (AB32). The researchers evaluated policies and programs from several dimensions, including cost effectiveness, potential for carbon emissions abatement, and technological feasibility.

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Strategic Issues Facing Transportation, Volume 4: Sustainability as an Organizing Principle for Transportation Agencies (9-2015)
The National Cooperative Highway Research Program (NCHRP) recently released Report 750: Strategic Issues Facing Transportation, Volume 4: Sustainability as an Organizing Principle for Transportation Agencies. The report includes an analytical framework and implementation approaches created to assist state DOTs and other transportation agencies evaluate their current and future capacity to support a sustainable society by delivering transportation solutions in a rapidly changing social, economic, and environmental context in the next 30 to 50 years.

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Strategic Issues Facing Transportation, Volume 2: Climate Change, Extreme Weather Events, and the Highway System: Practitioner's Guide and Research Report (8-2015)
The National Cooperative Highway Research Program (NCHRP) recently released Report 750: Strategic Issues Facing Transportation, Volume 2: Climate Change, Extreme Weather Events, and the Highway System: Practitioner's Guide and Research Report. The document provides guidance on adaptation strategies to the likely impacts of climate change through 2050 in the planning, design, construction, operation, and maintenance of infrastructure assets in the United States (and through 2100 for sea-level rise).

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Moving Energy (8-2015)
The recent article in TR News looks at the effects of changes in world energy market on the transportation industry. These changes include declining coal delivery, rising use of natural gas, and oil shipments from North American locations competing with overseas sources.

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Environmental Performance Measures for State Departments of Transportation (7-2015)
The National Cooperative Highway Research Program (NCHRP) recently released Report 809: Environmental Performance Measures for State Departments of Transportation. The report identifies potential environmental performance measures that may be integrated into a transportation agency's performance management program. The report explores relationships between agency activities and environmental outcomes.

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NCHRP Consideration of Preservation in Pavement Design and Analysis Procedures (7-2015)
The new report from the National Cooperative Highway Research Program (NCHRP) on pavement design explores the impacts of pavement preservation on performance and service life, including three approaches for analyzing these impacts. The report could lead to adding preservation to the American Association of State Highway and Transportation Officials (AASHTO).

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Permeable Pavements in Cold Climates: State of the Art and Cold Climate Case Studies (6-2015)
Researchers at the University of Minnesota and Minnesota DOT conducted an extensive review of full-depth permeable pavements including porous asphalt, pervious concrete, and permeable interlocking concrete paver. The research report covers recent advances in permeable pavement technology and identifies unresolved issues.

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Reducing the Carbon Footprint of Freight Movement through Eco-Driving Programs for Heavy-Duty Trucks (6-2015)
The University of California-Riverside National Center for Sustainable Transportation created a report that reviews elements of eco-driving programs for trucks. The elements include driver education and training, vehicle maintenance and technology support, and policy support.

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Water Quality in Jurisdictional Roadside Ditches (6-2015)
The University of Kentucky Transportation Center created a report discussing methodologies for evaluating the quality of instream and riparian habitats in jurisdictional roadside ditches that are compliant with the Clean Water Act.

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Climate Change in the U.S. - Benefits of Global Action (6-2015)
A new report from the U.S. Environmental Protection Agency (EPA) provides an overview of the results from the Climate Change Impacts and Risks Analysis (CIRA) project, which is a peer-reviewed study comparing impacts in a future with significant global action on climate change to a future in which current greenhouse gas emissions continue to rise. The report estimates the physical and monetary benefits to the U.S. of reducing global greenhouse gas emissions, including potential savings on road and bridge infrastructure replacement costs.

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Sustainable Aggregates Production: Green Applications for Aggregate By-Products (6-2015)
The University of Illinois Center for Transportation developed a report that discusses pavement construction sustainability and recycling efforts through the production of aggregate gradations with lower dust and small maximum sizes.

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Green Infrastructure in the Transportation Sector (TRB Recording) (5-2015)
During a TRB webinar in May 2015, several presenters gave an overview of legislation to encourage adoption of Green Infrastructure (GI) by the transportation sector, as well as possible mandates for GI and incentives, and examples of successfully bringing GI into planning efforts. TRB has made the webinar recordings available on its website.

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Building for the Future: A New Federal Guide to Infrastructure Planning and Design (5-2015)
The White House released a Federal Guide to Infrastructure Planning and Design as part of an effort to help communities design and finance more and better infrastructure projects. The guide includes climate change considerations in the planning and design process. The guide also includes an extensive list of all federal programs that can help local, state and tribal governments in the early stages of a project's life.

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Understanding Smart Growth Savings (5-2015)
The Victoria Transport Institute report “Understanding Smart Growth Savings” looks at the economic, social, and environmental benefits of smart growth policies, and summarizes current research concerning the costs and benefits of smart growth versus sprawl. The report also investigates consumer preferences and evaluates smart growth criticisms.

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Guidebook for Designing and Managing Rights-of-Way for Carbon Sequestration and Biomass Generation (4-2015)
NCHRP) Report 804: Guidebook for Designing and Managing Rights-of-Way for Carbon Sequestration and Biomass Generation explores the operational concerns, programmatic issues, and market conditions associated with utilizing highway rights-of-way (ROWs) to develop carbon sequestration projects.

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Iowa's Bridge and Highway Climate Change and Extreme Weather Vulnerability Assessment Pilot (3-2015)
The Institute for Transportation at Iowa State University has released a report that develops a methodology to evaluate the vulnerability of bridges to climate change and extreme weather.

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TRB Health & Transportation Subcommittee Discusses Tools to Support Planning and Analysis (1-2015)
The TRB Health & Transportation Subcommittee hosted a workshop that focused on a variety of tools that the practitioner, researcher, or analyst should find useful as they probe the intersection of health and transportation. At the heart will be the Transportation Health Tool that the Centers for Disease Control and Prevention (CDC) and the U.S. Department of Transportation (USDOT) have been working on accompanied by a process framework for incorporating health in the corridor planning process.

2014

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Developing Salt-Tolerant Sod Mixtures for Use of Roadside Turf in Minnesota (12-2014)
This report summarizes research conducted by Minnesota DOT to develop sod that is tolerant to salt for roadside application.

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Florida DOT: Developing Improved Opportunities for the Recycling and Reuse of Materials in Road, Bridge and Other Construction Projects (12-2014)
This report summarizes research for developing ways to improve the use of recycled materials in constructions projects for roads and bridges. The report includes recommendations and discusses challenges with implementation.

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Virginia DOT: Standardized Test Method to Quantify Environmental Impacts of Stormwater Pipe (11-2014)
This report discusses a standardized test method developed by the Virginian DOT that can be used for evaluating the environmental impact of storm water infrastructure materials.

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Illinois DOT Focuses on Sustainable Highway Construction (11-2014)
The Illinois DOT has been making progress on reducing its carbon footprint. Part of the progress has been accomplished through the adoption of sustainable design and construction techniques, including use of recyclable and environmentally friendly materials when possible. The agency used more than 1.7 million tons of reclaimed and recycled materials in Illinois highways in 2013 alone.

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AASHTO White Paper on Connecting the DOTs through Collaboration in Stormwater Management (10-2014)
This white paper summarizes proceedings from the 2014 National Stormwater Practitioners Meeting. The conference gathered state DOT stormwater experts from 35 states together with representatives from various federal agencies to share best practices, issues, and opportunities in an effort to continue improving DOT stormwater programs, understand compliance with water quality regulations, and incorporate solutions in day-to-day practices.

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Sustainability Concepts in Decision-Making: Tools and Approaches for the US Environmental Protection Agency (9-2014)
Released by the National Research Council (NRC), this publication examines tools, methods, and approaches for incorporating sustainability concepts into assessments used to support decisionmaking at the Environmental Protection Agency (EPA).

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Using Existing Pavement In-Place and Achieving Long Life (8-2014)
This Transportation Research Board (TRB) report documents the findings from the second Strategic Highway Research Program Renewal project regarding Using Existing Pavement in Place and Achieving Long Life. The report details a procedure for including existing pavements in place as part of new pavement structures and methods to achieve long life.

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Five Years of Learning From Communities and Coordinating Federal Investments (8-2014)
The U.S. Department of Housing and Urban Development, U.S. Department of Transportation, and U.S. Environmental Protection Agency released this report to document the lessons learned thus far from the Partnership for Sustainable Communities. The publication summarizes how important policy changes and key collaborations have made significant impacts on communities.

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Transportation Research Record: Journal of the Transportation Research Board, No. 2403 (7-2014)
This publication includes eight papers related to environment and sustainability ranging from habitat conservation plans to temperature control of pavements to livability ethics.

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NCHRP Report 750 Volume 2: Climate Change, Extreme Weather Events, and the Highway System: Practitioner's Guide and Research Report (5-2014)
The NCHRP Report 750 Volume 2: Climate Change, Extreme Weather Events, and the Highway System: Practitioner's Guide and Research Report is a comprehensive look at the potential effects of climate change on the highway system and suggestions on how to account for them throughout the transportation decision-making process. The report has two parts: a Practitioner's Guide and a Research Report. The Practitioner's Guide introduces a framework for adaptation planning and it includes chapters on climate projections, climate impacts, vulnerability assessments and risk appraisals, climate change in project development, and climate change in other agency functions such as construction, operations, and asset management. It also has appendices with sea-level rise projections and a benefit-cost methodology for adaptation strategies. The companion research report presents the results of a study looking at climate impacts and potential solutions for the U.S. highway system in the year 2050.

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A Framework for Assessing Transportation Sustainability Rating Systems for Implementation in U.S. State Departments of Transportation (5-2014)
The Mountain-Plains Consortium at North Dakota State University created a framework to help State Departments of Transportation choose between different transportation sustainability rating systems. This report also includes results from implementation of the framework at four State Departments of Transportation. FHWA's INVEST was one of the transportation sustainability rating systems evaluated as part of this research.

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National Climate Change Assessment (5-2014)
The U.S. Global Change Research Program released an in-depth report on the effects of climate change in the U.S. One section of the report focuses on the climate change impacts to the transportation sector.

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U.S. Department of Energy Clean Cities Blog
The Clean Cities Blog helps Clean Cities coordinators and stakeholders access information about alternative transportation topics that affect their coalitions around the United States.

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ODOT Report Details Energy Efficiency Strategies for Highway Maintenance Facilities (2-2014)
The Ohio Department of Transportation has published a report examining various renewable energy sources and energy efficiency methods for the department's highway maintenance facilities. Strategies outlined in the report reduce greenhouse gas emissions and offer cost advantages. A University of Cincinnati research team devised a three-phase screening tool to scrutinize technologies with the potential to provide renewable energy benefits at highway maintenance facilities. In addition, researchers created a decision support tool to help practitioners navigate the screening tool's three phases.

2013

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Planning for Flood Recovery and Long-Term Resilience in Vermont: Smart Growth Approaches for Disaster-Resilient Communities (12-2013)
In 2012, in the wake of Tropical Storm Irene, the state of Vermont requested Smart Growth Implementation Assistance from the Environmental Protection Agency (EPA) and the Federal Emergency Management Agency (FEMA). The assistance focused on incorporating smart growth principles into state policies, local development regulations, and Hazard Mitigation Plans to increase community flood resilience.

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Carbon Footprint of Supply Chains: A Scoping Study (11-2013)
Defines a standardized, conceptual approach to assessing global greenhouse gas (GHG) emissions of the transportation component of supply chains, critiques current methods and data used to quantify GHG emissions, and outlines a work plan to develop a decision tool to help estimate the carbon footprint of the transportation component of supply chains.

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Environment 2013: TRB Journal 2362 (11-2013)
TRB's Transportation Research Record: Journal of the Transportation Research Board, No. 2362 contains 7 papers that examine the well-being of relocated box turtles during construction of the intercounty connector highway in Maryland; using onboard sound intensity measurements to interpret results of traffic noise modeling; and Virginia quieter pavement demonstration projects. This issue also explores the influence of quieter pavement and absorptive barriers on US 101 in Marin County, California; application and sensitivity of airport noise-damage costs; effects of porous pavement on traffic noise and traffic noise prediction; and, impact of stormwater pipe lining materials on water quality.

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NCHRP Study on the Use of Permeable Shoulders for Highway Runoff (10-2013)
An evaluation of the use of permeable pavements for stormwater management on highway shoulders is provided in a study conducted under the National Cooperative Highway Research Program (NCHRP 25-25, Task 82). The study finds that careful consideration of design features and construction techniques are necessary to ensure success when using permeable pavement on shoulders. It describes permeable pavement technologies, criteria for using permeable materials on highway shoulders, and design and construction considerations. It also provides maintenance guidelines as well as future research needs.

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Climate Change and the Highway System: Impacts and Adaptation Approaches (9-2013)
The objectives of this research were to (1) synthesize the current state of worldwide knowledge regarding the probable range of impacts of climate change on highway systems by region of the United States for the period 2030-2050; (2) recommend institutional arrangements, tools, approaches, and strategies that state departments of transportation (DOTs) can use during system planning, design, construction, operations, and maintenance to adapt infrastructure and operations to these impacts and lessen their effects; and (3) identify future research and activities needed to close gaps in current knowledge and implement effective adaptive management. The key products are a practitioner's guide to climate change adaptation, a supporting software tool, and a summary report.

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NCHRP Renewable Energy Guide for Highway Maintenance Facilities (7-2013)
Offers guidance for the application of renewable energy technologies for the heating and cooling, lighting, and electrical power requirements of highway maintenance facilities.

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TRB Synthesis 430: Cost-Effective and Sustainable Road Slope Stabilization and Erosion Control (6-2013)
Presents information on cost-effective and sustainable road slope stabilization techniques, with a focus on shallow or near-surface slope stabilization and related erosion control methods used on low-volume roads.

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NCHRP Synthesis 435: Recycled Materials and Byproducts in Highway Applications (6-2013)
This study gathers the experiences of transportation agencies in determining the relevant properties of recycled materials and industrial byproducts and the beneficial use for highway applications.

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Comprehensive Highway Corridor Planning with Sustainability Indicators (4-2013, PDF 1.1 MB)
The Maryland State Highway Administration has released a report that defines sustainability indicators for major geometric improvement options and proposes additional multimodal corridor improvement options.

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U.S. Government Accountability Office Report on Climate Change Adaptation (4-2013)
This report examines the impacts that climate change may have on infrastructure such as roads and bridges, wastewater systems, and National Aeronautics and Space Administration (NASA) centers, and discusses adaptation efforts.

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Report on Sustainable Development and Winter Service (3-2013)
The World Road Association has released a report that analyses existing methods for sustainable development of road infrastructure and identifies social, environmental and economic criteria for winter road maintenance strategies and operations. This report is available without a fee after logging on to the site.

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American Association of State Highway and Transportation Officials (AASHTO) Cost Estimating Guide for State DOTs (3-2013)
Developed by the AASHTO Subcommittee on Design, this provides practical guidance to those charged with the development of State department of transportation cost estimates and the management of the estimating process.

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Draft NCHRP Study Offers Eight-Step Framework To Help Transportation Agencies Adapt to Climate Impacts (2-2013, PDF 3.7 MB)
The draft report, “Climate Change, Extreme Weather Events and the Highway System: A Practitioner's Guide,” is a prepublication product of the National Cooperative Highway Research Program (Project 20-83-05).


2012

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NCHRP 25-25/Task 73: Improved Environmental Performance of Highway Maintenance (11-2012)
Presents the results of a study of how State DOTs are incorporating  environmental requirements and stewardship into their highway maintenance practices; and, in doing so, can enhance sustainability and improve performance of their highway systems.

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Report from the U.S. Government Accountability Office: Information on Materials and Practices for Improving Highway Pavement Performance (11-2012)
Identifies 40 materials and practices that may improve the performance of pavements, extend service life, and reduce life-cycle costs.

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AASHTO Unveils Sustainability Case Studies (11-2012)
Provides information on a range of practices transportation agencies are undertaking to advance the “triple bottom line” of fiscal responsibility, community quality of life, and commitment to a better environment.

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The Innovative DOT: A Handbook of Policy and Practice (9-2012)
Describes innovative policies and practices that integrate smart growth concepts to improve the long-term sustainability of state transportation programs.

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World Road Association Report on Financing, Contracting and Managing of Road System Investment (9-2012)
Provides information on the different combinations of public and private sector involvement in the provision of sustainable road systems and the perceived advantages and disadvantages of these methods.

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Strategic Highway Research Program (SHRP2) Report on Integrated Conservation, Highway Planning (8-2012, PDF 5.2 MB)
The Strategic Highway Research Program 2 (SHRP2) has issued a report describing research aimed at helping transportation and environmental professionals apply ecological principles early in the planning and programming process of highway capacity improvements to inform later environmental reviews and permitting.

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NCHRP Synthesis 436: Local Policies and Practices That Support Safe Pedestrian Environments (8-2012)
The report documents various tools and strategies used by municipalities to improve the safety, convenience, and accessibility of the pedestrian experience.

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Transportation Research Board (TRB) E-Circular 164 Provides Overview of Key Climate Information Related to Transportation (7-2012)
The Transportation Research Board's Special Task Force on Climate Change and Energy has issued an electronic circular providing a concise summary of key climate change information related to transportation.

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State DOT Reform Handbook Offers Strategies for Meeting Funding Constraints (6-2012)
The Smart State Transportation Initiative and Smart Growth America have issued a handbook for senior state-level transportation officials that recommends reforms and strategies state departments of transportation can use to better allocate limited transportation dollars.

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National Cooperative Highway Research Program (NCHRP) Report 430: Cost-Effective and Sustainable Road Slope Stabilization and Erosion Control (6-2012)
This report presents information on cost-effective and sustainable road slope stabilization techniques, with a focus on shallow or near-surface slope stabilization and related erosion control methods used on low-volume roads. The report address topic planning, site investigation, erosion control techniques, soil bioengineering and biotechnical techniques, mechanical stabilization, and earthwork techniques.

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AASHTO Guide for the Development of Bicycle Facilities (6-2012)
This guide was developed by the AASHTO Highway Subcommittee on Design to facilitate the inclusion of bicyclists' needs in all phases of transportation planning, design, and operations.

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Case Studies (1-2012)

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TRB Transportation Record ‘Sustainability and Livability’ Issue (1-2012, PDFs 206kB - 3.9MB)
The Transportation Research Board has published a compilation of 15 research papers on sustainable transportation-related topics in Volume No. 2242 of its Transportation Research Record journal. Topics covered include evaluation of sustainable transportation, sustainability assessments by transportation agencies, quantifying the economic domain of transportation sustainability, sustainable transportation planning, measuring the performance of livability programs, and environmental impacts in the transport sector.

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Sustainable Concrete Pavements: A Manual of Practice (1-2012, PDF 3.5MB)
The National Concrete Pavement Technology Center at Iowa State University has published a guide on pavement sustainability concepts and recommended practices for enhancing the sustainability of concrete pavements. The document features technical information and best practices related to concrete pavement design, materials, construction, use, renewal, and recycling. The guide also covers issues related to pavement sustainability in the urban environment and the evaluation of pavement sustainability.


2011

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Research Digest Outlines Sustainable Pavement Maintenance Practices (12-2011, PDF 313kB)
Current practices in sustainable pavement maintenance and preservation by transportation agencies are outlined in a report issued under the NCHRP.

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NCHRP Report 708: A Guidebook for Sustainability Performance Measurement for Transportation Agencies (11-2011, PDF 9.54 MB)
A framework that State departments of transportation can use to identify and apply sustainability-related performance measures is provided in a guidebook produced under the Transportation Research Board's National Cooperative Highway Research Program (NCHRP Project 08-74). The guidebook describes the underlying principles of sustainability and includes a compendium of sustainability performance measures for transportation agencies, including data sources and examples of use.

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Going the Distance Together: A Citizen's Guide to Context Sensitive Solutions for Better Transportation (NCHRP 184) (9-2011, PDF 3MB)
Topics addressed in the report include transportation and the quality of life; the foundation of context sensitive solutions; shaping transportation decisions; understanding professional responsibility and design flexibility in project design; and partnerships through collaboration.