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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
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      • Traffic Noise
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      • Context Sensitive Solutions
      • Emerging Technologies
      • Environmental Management Systems
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      • Protecting Cultural Resources
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      • Using the Practitioner’s Handbooks
  • News
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    • Practitioner’s Handbooks
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    • Research
      • NCHRP 25-25
      • TERI Database
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  2. Research Idea (TERI)

Develop Templates for PM Hotspot Analyses Using MOVES and AERMOD for Typical Project Types

By ahardingMay 7, 2021Leave a comment

The project would generally involve a panel of state DOTs and EPA with a mandate to develop sample project-level studies (modeling and documentation) for particulate (and carbon monoxide and NO2…

Quantification of Construction Emissions

By ahardingMay 7, 2021Leave a comment

Best Practices for Asbestos Inspection and Remediation in Structures

By ahardingMay 7, 2021Leave a comment

NESHAP applies to demolition and “renovation” (modification); requires prior inspection for presence of asbestos and remediation prior to demolition/renovation if possible; what’s the best way and time/place to do that?  Is it necessary…

NO2 Hotspot Modeling Guidance

By ahardingMay 7, 2021Leave a comment

EPA’s 1-hour NO2 standard is low enough to potentially cause problems, and they require near-road monitoring to determine attainment.  What are the best methods for modeling roadway and rail (non-electric) NO2 microscale impacts?…

Lead Contamination Management and Modeling

By ahardingMay 7, 2021Leave a comment

If a project has known lead-contaminated soils, what are the best management practices for construction and maintenance activities in those areas for purposes of both worker safety and protection of nearby areas?…

Analysis of Synergies between Transit, Land Use, and Pricing Strategies to Reduce Greenhouse Gas Emissions

By ahardingMay 7, 2021Leave a comment

Problem Evidence suggests that there are synergies between transit, land use, and pricing strategies that enhance the greenhouse gas (GHG) reduction effect of each when implemented together.  However, more detailed…

Transformative Public Transportation Solutions for Reducing Greenhouse Gas Emissions

By ahardingMay 7, 2021Leave a comment

Problem Most studies to date have relied on annual percent increases from baseline transit ridership in order to project the greenhouse gas emission reduction potential of transit investments. This study would…

The Role of Public Transit Service as a Greenhouse Gas Emissions Reduction Strategy

By ahardingMay 7, 2021Leave a comment

Problem Early federal transit-related greenhouse gas (GHG) efforts such as the American Recovery and Reinvestment Act’s (ARRA) Transit Investments for Greenhouse Gas and Energy Reduction (TIGGER) grants enable transit agencies…

Reducing GHG Emissions from Freight Movements Through Comprehensive Port/Gateway Planning

By ahardingMay 7, 2021Leave a comment

Problem There are several steps in the freight processing system, from warehousing, manufacture, and distribution that generate trips, usually by truck, between these stages. Often import material is in a disaggregated…

Low-Impact Development Practices to Mitigate the Impacts of Nutrients and Pathogen Contributions from Highway Rights-of-Way

By ahardingMay 7, 2021Leave a comment

Need for the Research Stormwater runoff from transportation Rights-of-Way (ROW) may contain nutrients (particularly phosphorus and nitrogen) and may contain pathogens (though it is unclear if DOTs are a source that would…

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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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