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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
  • Meetings & Events
    • Past CEE Events
  • Resources
    • Practitioner’s Handbooks
    • AASHTO Publications
    • AASHTO Standing Committees
    • Federal & State Agencies
    • Trade Associations
    • Research
      • NCHRP 25-25
      • TERI Database
      • TRB Committees

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  2. Research Idea (TERI)

Cost-Benefit Analysis of DOT Investment in Transportation Noise Barriers and Development of Prototypical Cost/Benefit Model for Evaluating Future Projects

By ahardingMay 7, 2021Leave a comment

TERI Administrator Note (May 2013):  Completed July 2012 as NCHRP  10-76 Methodologies for Evaluating Pavement Strategies and Barriers for Noise Mitigation  Although efforts to reduce transportation-related noise are costly , the…

Assessment of Project Visualization Software Tools and How they are Used by DOTs

By ahardingMay 7, 2021Leave a comment

Project development depends on good communication among the public, planners, and project development teams. Technical design drawings and maps have limited value when a project requries communication with non-engineers and…

Development of a Simple Construction Site Noise-Prediction Procedure

By ahardingMay 7, 2021Leave a comment

TERI Administrator Note (Feb 2009) – Research Complete – Related research: The FHWA Roadway Construction Noise Model (FHWA RCNM) Version 1.0 is a Windows-based program that is available without cost…

Improving Data, Methods, And Models For Assessing Transportation Impacts On Disadvantaged Populations

By ahardingMay 7, 2021Leave a comment

TERI Database Administrator Notes: Not recommended at present time by 2009 Subcommittee on Cultural Resources. Transportation investments produce different benefits for different members of the public. Decision makers often need…

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…

Develop and Distribute Information on Improved, More Cost-Effective and Aesthetically Pleasing Noise Barrier Designs

By ahardingMay 7, 2021Leave a comment

TERI Database Administrator Notes:  Not recommended at present time by 2009 Environmental Process Subcommittee. Develop and distribute a brochure or otehr publication that describes  improved, more cost-effective and aesthetically pleasing…

Develop an Ammonia-Related Emissions Component for Inclusion In PART or MOBILE Emissions Models

By ahardingMay 7, 2021Leave a comment

TERI Database Administrator Notes:  Not recommended at present time by 2009 Air Quality Subcommittee.  PART5 calculates exhaust emission factors for primary emitted particulates, brake and tire wear emissions, and re-entrained…

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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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