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Center for Environmental Excellence | AASHTO
Center for Environmental Excellence | AASHTO
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  • Laws & Agreements
    • Programmatic Agreements Library (PAL)
    • Case Law Updates on the Environment (CLUE)
    • National Environmental Policy Act (NEPA)
    • NEPA Assignment
  • State of the Practice
    • Case Studies
    • Communities of Practice
    • Practitioner Interviews
  • Education
    • Environmental Topics
      • Active Transportation
      • Air Quality
      • Climate Change
      • Environmental Justice
      • Invasive Species/Vegetation
      • Stormwater
      • Sustainability
      • Traffic Noise
      • Waste Management/Recycling
      • Water Quality/Wetlands
      • Wildlife and Ecosystems
    • Practical Applications
      • Context Sensitive Solutions
      • Emerging Technologies
      • Environmental Management Systems
      • Geographic Information Systems
      • NEPA Process
      • Planning & Environment Linkages
      • Project Delivery
      • Protecting Cultural Resources
      • Public Involvement
      • Transportation Policy
      • Using the Practitioner’s Handbooks
  • News
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    • Past Events
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    • Practitioner’s Handbooks
    • AASHTO Publications
    • AASHTO Standing Committees
    • Federal & State Agencies
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      • NCHRP 25-25
      • TERI Database
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  2. Research Idea (TERI)

Expand Research On Transportation’s Cumulative Effects On Water Quality, Aquatic Ecosystems, and Fish In Various Bodies Of Water and On Ecologically Effective Solutions

By ahardingMay 7, 2021Leave a comment

Major and visible effects-such as shoreline alteration, reduced connection to adjacent upland, sediment filling-in, eutrophication, reduced oxygen levels, and altered fish populations-are attributable to roads altering coastal, lake, reservoir, pond,…

Which Highway Runoff BMPs Or Modifications Of Existing BMPs Are Most Suitable For Treating Phosphorus?

By ahardingMay 7, 2021Leave a comment

Algal blooms and excessive plant growth commonly plague lacustrine  systems due to the buildup of phosphorus.  While phosphorus is not a principal component in  highway runoff, there may be areas…

Applying Remote Sensing Technologies to Collect Data for Transportation Systems Planning and Project Development

By ahardingMay 7, 2021Leave a comment

In order to make the best choices regarding the planning and development of highway capacity, transportation decision-makers need a wide range of data. To conduct impact assessment, for example, agencies…

Develop an Integrated Systems Planning and Project Development Process for Screening Transportation Solutions

By ahardingMay 7, 2021Leave a comment

A new decision making process is needed to underpin the system planning and project development process, one that is equipped to consider multi-modal and operations solutions that minimize adverse environmental…

Improving Project Environmental Cost Estimates

By ahardingMay 7, 2021Leave a comment

TERI Administrator Note (June 2007): Funded as NCHRP Project 25-25, Task 39, “Improving Project Environmental Cost Estimates.” Project completion date: October 2008. http://www.trb.org/TRBNet/ProjectDisplay.asp?ProjectID=1657  Improvement of cost estimating practices and the…

Conduct Further Research On Means Of Restoring Natural Hydrologic And Sediment Flows And Distributions In The Vicinity Of Roads.

By ahardingMay 7, 2021Leave a comment

Because hydrologic conditions around corridors are the result of transportation-system design processes, the major patterns of road hydrology are well documented. It is generally clear, for example, how highway hydrology…

Improving Our Understanding of Approaches to Integrate Watershed and Habitat Fragmentation Considerations into Transportation Planning and Development, with an Emphasis on Highways

By ahardingMay 7, 2021Leave a comment

This research project will build on research grounded in environmental science to identify and evaluate approaches for improving water quality and watershed performance and to reduce habitat fragmentation and its…

Evaluation of Strategies for Integrating Transportation and Land Use Planning on State, Metropolitan Region, and Local Levels

By ahardingMay 7, 2021Leave a comment

TERI Administrator Note (Feb 2009) Pending project: NCHRP 8-36 (86) Corridor Approaches to Integrating Land Transportation and Land Use Several states and metropolitan regions have implemented programs that combine land…

Environmental and Community Impacts of Freight Movement Trends and Practices

By ahardingMay 7, 2021Leave a comment

The environmental and community consequences of changes in freight movement patterns in the US may be significant, but are currently unknown. Strategies are needed in response to emerging freight movement…

Improving Understanding About How Highway Capacity Influences Development and Land Use Patterns

By ahardingMay 7, 2021Leave a comment

TERI Database Administrator Notes:  Not recommended at present time by 2009 Air Quality Subcommittee.  The secondary effects of highway capacity expansion on development and land use patterns are often used…

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The Center for Environmental Excellence by the American Association of State Highway and Transportation Officials (AASHTO) has been developed in cooperation with the Federal Highway Administration to promote environmental stewardship and to encourage innovative ways to streamline the transportation delivery process.

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