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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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Ethanol Production from Forest Fuel Reduction Woody Biomass

By ahardingMay 7, 2021Leave a comment

Refine and develop technology for converting woody biomass to ehtanol.  Evaluate and develop potential for substitution of ethanol for petroleum fuels.  Study and develop sustainable supplies of woody biomass from…

Tribal Consultation ‘Basics’ Training Course Development

By ahardingMay 7, 2021Leave a comment

TERI Database Administrator Notes: Not recommended at present time by 2009 Subcommittee on Cultural Resources. Develop a three-day course that would cover the basics of Tribal Consultation, including a step-by-step…

Incorporating Ecological Resources into Long-range Transportation Planning

By ahardingMay 7, 2021Leave a comment

Environmental conflicts encountered in transportation related projects are too often discovered well into the planning process when funds are identified and committed and preliminary engineering work is underway. At this…

Hydrologic and Hydraulic Impact of Highways Systems on Streams

By ahardingMay 7, 2021Leave a comment

Document hydrologic and hydraulic impacts of existing highway systems on nearby streams.  Using 10 impacted streams in geographically diverse ecosystems, evaluate the runoff generated from a highway system and the…

Nationwide Environmental Data to Support Efficient Transportation Decision Making

By ahardingMay 7, 2021Leave a comment

TERI Database Administrator Notes:  Not recommended at present time by 2009 Environmental Process Subcommittee. State departments of transportation, as well as regional transportation agencies and organizations, (herein after ‘transportation agencies’)…

Water Quality Benefits of the Permeable Friction Course

By ahardingMay 7, 2021Leave a comment

The Permeable Friction Course (PFC also known as Open Graded Friction Course)is a two inch thick overlay applied to existing pavement to reduce splash and spray behind vehicles, and to…

Slope Gouging/Pitting for Erosion Control

By ahardingMay 7, 2021Leave a comment

To test, and disseminate to the highway community in the arid West, a method of erosion control used in mine reclamation. Rill & gully erosion is a pervasive problem on…

Assess VMT Reduction due to the Maryland Historic Tax Credit Program

By ahardingMay 7, 2021Leave a comment

Northeast-Midwest Institute (NEMW) would partner with the National Trust for Historic Preservation and the Sierra Club to carry out this study. NEMW, in a recent study funded by the Abell…

Impacts of Fill Placement on Archaeological Resources

By ahardingMay 7, 2021Leave a comment

TERI Database Administrator Notes: Not recommended at present time by 2009 Subcommittee on Cultural Resources. Conduct research to determine the subsurface disturbance resulting from the placement of fill (temporary and…

Local Significance Under National Register Criteria and its Evaluation for Transportation Projects

By ahardingMay 7, 2021Leave a comment

In evaluating bridges, road corridors and buildings for National Register significance, a frequent problem arises regarding the concept of local significance. In the early days of the historic preservation movement,…

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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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