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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)

Evaluation of Porous Pavements as a Watershed Chloride Source Reduction Strategy

By ahardingMay 7, 2021Leave a comment

Porous pavements have been identified as a potential strategy for minimizing the use of deicing chemicals for winter maintenance.  The use of porous pavements for parking lots is on the…

Ultrafine Particle Assessment Relating to Near Highway Traffic Combustion and Air Quality Impacts

By ahardingMay 7, 2021Leave a comment

Ultrafine particles (UFP) can be defined as having at least one dimension that is less than 100 nanometers.  Because of their dimensions, they exhibit unique properties that affect atmospheric transport…

Assessing the Potential for Modal Shifts in Freight Transportation to Benefit Air Quality

By ahardingMay 7, 2021Leave a comment

Freight transportation is a major contributor of greenhouse gases and other air pollutants in the U.S.  Much of these emissions are due to truck operations, which have relatively higher emissions…

Climate Change and its Impact of Highway Drainage Design: Sustainable Designs Under Uncertainty

By ahardingMay 7, 2021Leave a comment

The impact of climate change on highway drainage design and associated stormwater management systems and could be one of the important and critical challenges faced by future drainage engineers and…

Reducing Atmospheric Carbon, Increasing Soil Fertility, and Opening a Pathway Between Agriculture and Transportation

By ahardingMay 7, 2021Leave a comment

Biochar would be specifically produced as an amendment to soil in an attempt to manage carbon concentrations in the atmosphere and create better soil conditions. Specifically, we will assess the…

Impacts of River Basin Modification and Climate Change on Bridge Safety

By ahardingMay 7, 2021Leave a comment

This research idea was developed as part of NCHRP Project 24-27(03) “Evaluation of Bridge-Scour Research: Geomorphic Processes and Predictions,” and addresses three Focus Areas (Climate Change, Land use, Indirect Effects/Cumulative…

Field Evaluation of Reflected Noise for Sensitive Receptors Across from a Non-Absorptive Noise Barrier Surface

By ahardingMay 7, 2021Leave a comment

Problem Statement Residents on the opposite side of a highway from a reflective noise barrier often complain that construction of the barrier has increased noise levels in their area. The…

Performance Indicators/Measures to Support Livability and Sustainability

By ahardingMay 7, 2021Leave a comment

While many agencies use indicators to track performance in areas such as natural environment mitigation, congestion management, or safety, there is a critical and timely need for indicators that support…

Study of Community Response to Nonaircraft Transportation Noise

By ahardingMay 7, 2021Leave a comment

Problem Statement Current transportation noise policies in the United States rely heavily on scientific dose-response relationships between noise-exposure levels and various community responses, predominantly “community annoyance.” This is also the…

Best Practices for Effective Tribal Consultation

By ahardingMay 7, 2021Leave a comment

Background   There are several web sites, reports, studies, and guidance on the tribal consultation process associated with historic preservation compliance and transportation project delivery. The following is a sample…

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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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