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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
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  2. Research Idea (TERI)

Comprehensive and Multi-Modal Transportation Evaluation Framework

By Amber GarnettMay 7, 2021Leave a comment

Develop a set of resources for comprehensive and multi-modal evaluation of transportation projects, similar to the following: DfT (2006), Transport Analysis Guidance, Integrated Transport Economics and Appraisal, Department for Transport…

Template for a Categorical Finding for Particulate Matter

By Amber GarnettMay 7, 2021Leave a comment

Federal and state objectives for streamlining project development may be supported in general by the development and implementation of programmatic agreements (PAs) and, where federal requirements for transportation conformity apply,…

Using experiments and long term data for optimal wetland mitigation

By Amber GarnettMay 7, 2021Leave a comment

Wetlands are among the world’s most ecologically productive and economically important environments, but they are also one of the world’s most endangered environments. Approximately 53% of wetlands in the lower…

The effects of pile driving on the Atlantic Shortnose Strugeon

By Amber GarnettMay 7, 2021Leave a comment

With the 2012 listing of the Atlantic Shortnose Sturgeon to the threatened and endangered species list the Virginia Department of Transportation has had to produce two noise analyses for a…

Guidance for Transportation Modelers for Generating Traffic and Activity Data for Project-Level Air Quality Analyses

By Amber GarnettMay 7, 2021Leave a comment

The recently completed NCHRP 08-83 study (see excerpt below) on “Analytical Travel Forecasting Approaches for Project-Level Planning and Design” addressed project-level transportation modeling in detail but only addressed air quality…

Multi-pollutant benefits of on-road motor vehicle control strategies

By Amber GarnettMay 7, 2021Leave a comment

While there are a number of published studies that provide information to state and local agencies about the potential emission reduction benefits of control strategies that are designed to reduce…

Performance Standards for Invasive Species Control

By Amber GarnettMay 7, 2021Leave a comment

There is a need for invasive species control performance standards.  NCHRP Synthesis 363 identified that there are few studies that quantify benefits of invasive secies control, thus highway departments often commit…

Improving Vehicle Activity Data for Project Level Emission Analysis of Specific Transportation Facilities (Short-listed at 2015 TRB)

By Amber GarnettMay 7, 2021Leave a comment

Note: This research idea was short-listed at the 2015 TRB meeting of the Project-Level Subcommittee of the Transportation and Air Quality Committee (ADC20). The broader research problem to be addressed…

A Pilot Program for Streamlining Carbon Monoxide (CO) Project-Level Air Quality Analyses with Programmatic Agreements (PAs)

By Amber GarnettMay 7, 2021Leave a comment

The NCHRP 25-25 Task 78 study (2015) successfully developed templates for programmatic agreement (PA) and associated technical documentation that are designed to be implemented by state DOTs to streamline project-level…

A Pilot Program for Streamlining Particulate Matter (PM) and Mobile Source Air Toxics (MSATs) Project-Level Air Quality Analyses with Programmatic Agreements (PAs).

By Amber GarnettMay 7, 2021Leave a comment

Most recently, NCHRP 25-25 Task 78, developed templates for a PA for CO hot-spot analysis and identified needed research areas to develop PAs for PM hot spot analyses and MSAT…

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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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