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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
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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

Archived

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  2. Research Idea (TERI)

Transportation Conformity under EPA’s Revised 8-hour Ozone NAAQS

By ahardingMay 7, 2021Leave a comment

TERI Database Administrator Notes:  Not recommended at present time by 2009 Air Quality Subcommittee.  With so many new areas likely to be designated nonattainment under EPA’s revised 8-hour ozone standard,…

Environmental and Air Quality Impact of Demand Responsive Transit Services

By ahardingMay 7, 2021Leave a comment

The environmental performance of public transportation services plays a key role in improving air quality in urban areas. Replacing vehicles’ current engines with innovative propulsive systems may be an effective…

Modern Roundabouts, Toxic Emissions & Climate Change

By ahardingMay 7, 2021Leave a comment

Investigate the potential benefits of converting traditional cross intersections to modern roundbouts.

Managing Environmental Impacts of Erosion and Sedimentation from Local Rural Roads in the Federal Aid Program Due to New Agricultural, Mining and Logging Economies

By ahardingMay 7, 2021Leave a comment

Many local rural roads were designed to provide land access, with little thought given to high traffic or heavy loadings.    In some areas this includes higher classified “farm to market”…

Cost Benefit Analyses of Greenhouse Gas (GHG) Reduction Efforts in the Transportation Sector

By ahardingMay 7, 2021Leave a comment

TERI Database Administrator Notes:  Not recommended at present time by 2009 Air Quality Subcommittee.  The current focus of GHG reductions from the transportation has relied on increased fuel efficiency of…

Laser Ablation of Calcareous Shells and Skeletal Elements Coupled to Mass Spectroscopy as a Method of Determining the Spatial and Temporal Extent of Heavy Metal Pollution in Aquatic Species

By ahardingMay 7, 2021Leave a comment

Organisms pick up some heavy metals in proportion to their exposure in aquatic systems, they then deposit these elements along with calcium into their calcareous shells or skeleton. Many of…

Green House Gas (GHG) Reduction Potential of Non-Motorized Transportation

By ahardingMay 7, 2021Leave a comment

About half of all trips taken in the US are 3 miles or less. Walking and bicycling could be an adequate alternative to driving for many of these trips. The…

Assessing the Differential Toxicity of Dissolved, Complexed and Ionic Copper in Natural Waters on the Lateraline System in Juvenile Fish

By ahardingMay 7, 2021Leave a comment

Copper toxicity to salmonids is currently referenced to a series of Laboratory tests that were conducted using well water and copper that was deliberately kept ionic, uncomplexed.  Toxicity in these…

Evaluation of Keyhole Technology to Reuse Materials and Reduce Spoil in Pavement Cuts

By ahardingMay 7, 2021Leave a comment

One of the procedures used to reduce the disposal of asphalt and concrete pavement is to perform small pavement cuts and utilize the excavated pavement sections during the restoration process.…

Development of an Expert System for Selecting Storm Water BMP’s

By ahardingMay 7, 2021Leave a comment

TERI Database Administrator Notes.  Not recommended at present time by 2009 Natural Systems Subcommittee. Storm water BMP’s are alternatives options to the traditional gutter/culvert approach to treat runoff water. BMP’s…

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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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