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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
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    • Practitioner’s Handbooks
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    • AASHTO Standing Committees
    • Federal & State Agencies
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    • Research
      • NCHRP 25-25
      • TERI Database
      • TRB Committees

2-3 years

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  2. Research Idea (TERI)

DOT Interface for Project-Level Air Quality Modeling

By Amber GarnettJune 28, 2022

State Departments of Transportation (DOTs) conduct project-level air quality analyses for the National Environmental Protection Act (NEPA) and to meet the requirements of the Environmental Protection Agency’s (EPA) transportation conformity…

Public perception of pollinator habitat mowing/management schedules

By Amber GarnettJune 24, 2022

Is there a negative perception of DOTs if the mowing schedule leaves taller vegetation throughout more of the year and later into the growing season? Does education about the reasoning…

Strategies for effective interseeding to increase wildflower diversity in existing roadside vegetation

By Amber GarnettJune 24, 2022

Interseeding (also known as overseeding) can increase flowering plant diversity in grass-dominated stands of vegetation but has rarely been used on roadsides. Research is needed to better understand how to…

Development of a Standardized Testing Protocol for the Approval of Field-cured Products for Use on Highway Maintenance and Construction Projects

By Amber GarnettJune 13, 2022

Background DOTs routinely receive requests to add new products and materials to their lists of approved products, including culvert repair products and materials used for road and bridge repair. Many…

Adopting wildlife-inclusive design principles for transportation infrastructure on public lands.

By Amber GarnettFebruary 26, 2022

Transportation-related infrastructure affects wildlife in a variety of ways by altering the physical environment. These alterations often negatively impact wildlife through displacement, barriers to movement, and increased mortality. They can…

Environmental Effects of Roadway Lighting on Wildlife

By Amber GarnettJune 29, 2021

Background Roadway lighting has been shown to measurably reduce nighttime fatal and other crashes. However, roadway lighting can negatively impact insects and animals through attraction and disorientation or by disrupting…

Framework for Analyzing and Mitigating Highway-related Noise and Vibration Impacts on Terrestrial Wildlife

By Amber GarnettJune 29, 2021

Background Currently, there is minimal guidance from federal agencies on how to conduct noise and vibration analyses specific to wildlife, which results in differing approaches to noise analyses that may…

Concrete Curing pH Level Impacts for Minimization of Harm to Aquatic Species

By ahardingJune 22, 2021

FY2022 NCHRP PROBLEM STATEMENT OUTLINE 1. Problem Title Concrete Curing pH Level Impacts for Minimization of Harm to Aquatic Species 2. Background Construction and maintenance actions regularly require state Department…

Stormwater Management to Address Highway Runoff Toxicity Associated with Tire Wear

By Amber GarnettJune 21, 2021

Recent research findings identified 6PPD-quinone as the major agent responsible for exceptionally high levels of rapid mortality of adult Coho salmon in some urban streams. Lethal effects occurred in Coho…

Fuel Economy and Global Warming: Understanding How Consumer Behavior Influences the Link Between Transportation and Global Warming

By ahardingMay 7, 2021Leave a comment

TERI Administrator Note (February 2009): Project cross-referenced in TRB Research Needs Database.  Not recommended at present time by 2009 Air Quality Subcommittee.  The first goal of this project is to…

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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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