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Save the Date: June 4-8, 2023 – AASHTO Committee on Environment and Sustainability Annual Meeting
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Center for Environmental Excellence | AASHTO
Center for Environmental Excellence | AASHTO
  • Laws & Agreements
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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 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)

Developing Environmental Performance Measures and a Framework and Methodology for Incorporating Environmental Performance Measures into Performance Management Programs

By ahardingMay 7, 2021Leave a comment

TERI Administrator Note – Selected as NCHRP 25-39 (FY12 Program) RESEARCH PROBLEM STATEMENT   Transportation performance management is a well established and effective practice for establishing accountability and driving results…

Managing Private and Public Roles in NEPA Compliance for Projects Utilizing Alternative Funding Strategies

By ahardingMay 7, 2021Leave a comment

States are increasingly facing the spectre of funding transportation projects with little or no federal transportation capital. NEPA compliance is required when federal funds are utilized, or when a permit,…

Development of an Environmental Hazard Assessment System for the Transport of Hazardous Materials

By ahardingMay 7, 2021Leave a comment

TERI Administrator Note (February 2009):  The concept for this research information need was first developed as a suggested demonstration project in TRB Special Report 283, Cooperative Research for Hazardous Materials…

Use of Bio-Degradable Oils by State Maintenance Crews

By ahardingMay 7, 2021Leave a comment

Background Throughout the US, state DOTs are striving to develop more comprehensive transportation programs that provide infrastructure and services with less impact on the surrounding environment. Great efforts have been…

Improving Transit Efficiency through Evolution to a Shared Electric-Powered Transportation Network

By ahardingMay 7, 2021Leave a comment

Transit system capital efficiency is often criticized due to low ridership and high capital costs, combining to limit competitive economic application of this transportation mode.  The relatively low volume of…

Alternative Fuels, Multimodal Freight Transportation Access/Efficiency and Infrastructure Investment Needs

By ahardingMay 7, 2021Leave a comment

Problem: An emerging public policy issue that will likely have significant and potentially far-reaching impacts is the growing interest in and use of renewable and bio-fuels. The goal of reducing U.S.…

Noise Metrics Beyond the 65 DNL/CNEL

By ahardingMay 7, 2021Leave a comment

The size of DNL 65 dB noise contours around the nation’s airports has diminished steadily for the past three decades; and now most noise complaints come from persons residing outside…

Pay-By-The-Mile Auto Insurance

By ahardingMay 7, 2021Leave a comment

Using data from one state, conduct a statistical analysis to show the degree to which vehicle miles traveled and 1) accident rates and 2) cost of accidents correlate. Auto insurance…

Assessment of Emission Reduction Potential of Truck Freight Diversion to Other Transportation Modes and Development of Improved Methods for Estimating Air Quality Benefits of Freight Modal Shifts

By ahardingMay 7, 2021Leave a comment

Background Truck freight operations are a major source of air pollutants, including criteria pollutants, toxic air pollutants and greenhouse gas emissions. Although the 2008-2010 recession has led to recent reductions…

Addressing Climate Change Impacts in Federal, State, and Local Environmental Review Processes

By ahardingMay 7, 2021Leave a comment

With the growing interest in mitigating climate change impacts from transportation facilities and other projects, a need exists to more fully examine potential impacts.  The National Environmental Policy Act (NEPA)…

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  • All Content

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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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