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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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    • Upcoming Events
    • Past CEE Events
  • Resources
    • Practitioner’s Handbooks
    • AASHTO Publications
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      • NCHRP 25-25
      • TERI Database
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  2. Research Idea (TERI)

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;…

Development of a Predictive Tool to Assess Fish Passage Conditions in an Entire Watershed System

By Amber GarnettMay 7, 2021Leave a comment

An overall assessment of fish passage conditions from headwaters to estuaries requires the analysis of the entire channel network connecting those habitats. Such an analysis should not be performed in…

Transitioning to Sustainable Transportation Energy

By Amber GarnettMay 7, 2021Leave a comment

The focus of the project is laying out a vision for sustainable energy for passenger vehicles. The project will: Identify the role of government policies on energy transitions in addressing…

Integration of Air Quality Models Used in Highway Air Quality Analysis

By Amber GarnettMay 7, 2021Leave a comment

There are several types of models used in analyzing highway emission impacts to air quality for both regional analysis and project or hotspot analysis. These models include traffic operations, transportation…

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

By Amber GarnettMay 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 Amber GarnettMay 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 Amber GarnettMay 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 Amber GarnettMay 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…

On-road Traffic Operation Data Aligned with Model Validation Need for Project-Level PM2.5 Conformity Analysis

By Amber GarnettMay 7, 2021Leave a comment

When applying MOVES (MOtor Vehicle Emission Simulator) in project-level PM (particulate matter) conformity analysis, link-based traffic characteristics are required at local on-road level so as to ensure realistically representation of…

Contribution of Tire Weights to Lead in Runoff

By Amber GarnettMay 7, 2021Leave a comment

Lead tire weights used to balance wheels may be a substantial source of lead in the highway environment. These weights are sometimes released from wheels and then abraded by traffic,releasing lead into…

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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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