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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)

Best Management Practices for Protecting Water Resources from Impacts From Adjacent Unpaved Roads

By ahardingMay 7, 2021Leave a comment

The study would evaluate the effectiveness of current practices in road design, construction, maintenance and closure.  

Leaching Behavior of Heavy Metals and Semi-Volatile Organic Chemicals from Waste Materials Wrapped and Unwrapped in Geotextile Fabric and Placed in Groundwater

By ahardingMay 7, 2021Leave a comment

Recent study findings where tire shreds were used for lightweight fill in road base construction in a wetland suggest that wrapping the tire shreds with a geotextile fabric could trap…

Analysis of Property Value Impacts of Transportation Projects

By ahardingMay 7, 2021Leave a comment

TERI Database Administrator Notes:  Not recommended at present time by 2009 Air Quality Subcommittee.  Background: Highway and rail projects inevitably affect property values. Increased accessibility will increase the number of…

Maintaining Diversity in Created Wetlands

By ahardingMay 7, 2021Leave a comment

Problem Statement: Naturally occurring wetlands are characterized by a broad diversity of species. When replacement wetlands need to be created to offset transportation project impacts they often fail to achieve…

Impacts of Roadway Access Management on Air Quality, Energy Consumption, and Greenhouse Gas Emissions

By ahardingMay 7, 2021Leave a comment

Roadway access management has been shown to be highly effective in terms of improving both traffic safety and traffic flow. Crash rate reductions of between 40 and 50 percent are…

Comparative Analysis of Geophysical Remote Sensing Technologies for Integration into Departments of Transportation Environmental Decision-Making Process

By ahardingMay 7, 2021Leave a comment

TERI Administrator Note (Added April 2008) – Related Research: NCHRP 25-25/Task 21: Assessment of Geophysical Remote Sensing Opportunities at State Departments of Transportation for Incorporation into Archaeological Investigations  (Completed 2006)…

Intellectual Property Rights for Environmental Data and Information

By ahardingMay 7, 2021Leave a comment

Problem Statement A potentially major barrier to sharing data in environmental and related management systems is intellectual property rights, including copyrights, licensing, and terms of use. Although state Departments of…

Development of Environmental Performance-Based Mitigation Systems

By ahardingMay 7, 2021Leave a comment

Problem Statement The current practice for mitigating environmental impacts of transportation projects is to mitigate only specific impacts on specific resources without consideration of which produces the best environmental result.…

Managing Rights-of-Way for Biomass Generation and Carbon Sequestration

By ahardingMay 7, 2021Leave a comment

Right-of-way vegetation management is a major responsibility of the State DOTs.  Traditionally, roadside vegetation was managed for a variety of purposes important to the public, such as safety, roadway integrity,…

Costs and Benefits of Transportation-Specific MS4 and Construction Permitting

By ahardingMay 7, 2021Leave a comment

TERI Administrator Note (January 2009): Idea selected for implementation with NHCRP 25-25 (Task 56) funding in 2009. The cost of complying with the National Pollutant Discharge Elimination System (NPDES) continues…

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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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