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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

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  2. Research Idea (TERI)

The Effects of Culverts and Stream Barriers to Movement and Gene Flow in Stream Fishes: A Landscape Perspective

By ahardingMay 7, 2021Leave a comment

The southeastern United States is the center of biodiversity for freshwater fishes and mussels in North America.  Many of these species are imperiled and one of the leading causes of imperilment…

Water Conservation Practices for Highway Transportation Construction and Road Operations and Facility Management

By ahardingMay 7, 2021Leave a comment

Water is a precious finite resource in the United States and throughout the world. Water resource limitations are currently and expected to be one of the main environmental challenges facing…

Coral Live Cell Storm Water Toxicity Assay

By ahardingMay 7, 2021Leave a comment

This project proposes to screen, develop and apply Coral live cell imaging techniques to evaluate the effects of road runoff, increased water temperature, and storm water management practices on Coral…

Sustainable Transportation in North America – Performance Measures Workshop

By ahardingMay 7, 2021Leave a comment

The purpose of the project is to develop a better understanding of sustainable transportation efforts in Canada, the U.S. and Mexico, with particular reference to performance measures.   The workshop will…

Contribution of Zinc from Highway Fixtures: Targeted Monitoring

By ahardingMay 7, 2021Leave a comment

Zinc is an important targeted constituent for Departments of Transportation (DOTs). The average concentration in highway runoff exceeds water quality objectives. For individual storms, the measured concentrations of total zinc in highway discharge…

Assessment of the Self-Forming Channel Design Approach for Roadway Projects

By ahardingMay 7, 2021Leave a comment

Scope: Across the nation, streams and drainage channels have been severely degraded to provide drainage for land development and transportation projects.  Federal and state regulations require mitigation for impacts to channels…

Eliminating Barriers to Bicycling Mode Choice within Minority Populations

By ahardingMay 7, 2021Leave a comment

Scope: 1.  Objective General observations indicate a significant disparity in bicycle usage between the City of Cambridge and the neighborhood of Mattapan/Dorchester section of Boston where bicycle lanes were recently installed.  The…

Rail Transit Safety Enhancements: Cost/Benefit and Risk Analysis

By ahardingMay 7, 2021Leave a comment

The proposed research need is a decision tool for rail transit executives to use when considering rail transit safety enhancements.  This would most likely require a cost/benefit and risk analysis which…

Estimating the Economic Value of Historic Properties for Purposes of Mitigation under Section 106 of the National Historic Preservation Act

By ahardingMay 7, 2021Leave a comment

Problem Mitigation for the adverse effects to historic properties under Section 106 of the National Historic Preservation Act often entails an “economic” exercise of trying to estimate the value of the historic property…

Enhance Current Methods and Modeling Tools to Quantify Benefits of a Diversified Transportation Fuel Mix

By ahardingMay 7, 2021Leave a comment

Scope: This project will enhance current methods and modeling tools to quantify the benefits of a diversified transportation fuel mix.  Benefits to be evaluated include the value of reduced fluctuation in…

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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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