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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
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      • NCHRP 25-25
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  2. Research Idea (TERI)

Synthesis of State DOT and MPO Planning and Analysis on Strategies to Reduce Greenhouse Gas Emissions

By Amber GarnettMay 7, 2021Leave a comment

Background   There are several completed and ongoing research efforts that have analyzed the potential of various strategies to reduce greenhouse gas (GHG) emissions in the transportation sector.  Some have…

How Does/Will the Use of Social Media Affect the NEPA Process?

By Amber GarnettMay 7, 2021Leave a comment

With the use of FaceBook and Twitter, and the internet in general, the public has the ability to organize, share information (both accurate and inaccurate) quickly and with an incredibly…

Strategic Options of Inventorying and Updating Environmental Guidance and Links

By Amber GarnettMay 7, 2021Leave a comment

Background As the National Environmental Policy Act (NEPA) applies to federal actions in all 50 states, most state DOT’s have partnered with the Federal Highway Administration (FHWA) to develop and…

Mitigating Tolling Impacts on Low Income Populations

By Amber GarnettMay 7, 2021Leave a comment

Tolling has been identified as having a potentially disproportionate impact on low income populations.  This research would consist of a state of the issue literature search on how different NEPA, or…

Incorporating Sustainability in NPDES Stormwater Permitting

By Amber GarnettMay 7, 2021Leave a comment

Perform a sustainability evaluation of 3 to 5 recent NPDES stormwater permits in the State of California   Develop metrics and a simple method to rank permits from a sutainability…

Investigating Water Quality BMPs by Native Plant Species Buffer Around Chesapeake Bay

By Amber GarnettMay 7, 2021Leave a comment

Construction, operation, and maintenance of infrastructure changes land surface permeability and runoff rates. Roadside ditches carry invisible chemicals such as zinc and cadmium, nitrogen oxides, hydrocarbons, herbicides, and road salt.…

Research Toxicological Effects of Chloride Based Deicers in the Natural Environment

By Amber GarnettMay 7, 2021Leave a comment

Recent toxicity data obtained through studies conducted by the State of Iowa and EPA Region 5 in 2009 showed that chloride was less toxic to aquatic organisms when accounting for…

A Comprehensive investigation of Total Maximum Daily Load Reports

By Amber GarnettMay 7, 2021Leave a comment

The requirements outlined in TMDL reports and drafts are applied broadly to a number of land uses and are often based on assumptions. Quite often, the impacts related to transportation…

Application and Calibration of Confocal Microscopy with Fluorescent Tags to Monitor the Growth and Development of Freshwater Mussels and Fish Exposed to Metals Pesticides and Polyacrylamide (PAM) Flocculants in Highway Runoff

By Amber GarnettMay 7, 2021Leave a comment

We propose to test existing live cell and whole organisms using physiological techniques, in particular fluorescent tags combined with confocal microscopy to image changes in physiology, growth and development caused…

Analysis of Deer Population Movement Patterns Before and After Construction of Wildlife Crossing Improvements in Central Oregon

By Amber GarnettMay 7, 2021Leave a comment

The threats to human safety posed by high rates of large mammal road-kill are well reported in the literature, as well as the adverse effects of road-kill on mammal populations;…

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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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