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

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  2. Research Idea (TERI)

Integrating advance mitigation with regional planning

By ahardingMay 7, 2021Leave a comment

Regional advanced mitigation planning (RAMP) has been promoted by DOT/FHWA and others and several projects have been conducted. However, for a RAMP supporting an LRTP to be successful, it must…

Tire-Pavement analysis toolkit to standardize Rolling Resistance and Grip measurement tests

By ahardingMay 7, 2021Leave a comment

In comparison to conventional tires, the low rolling resistance (LRR) tires often have higher prices, shorter mileage life, reduced wet and snow grip performances, and depending on the target market…

Guide for Using Microsimulation for Project Level Drive Cycles

By ahardingMay 7, 2021Leave a comment

The objective of this project is to develop guidance on how to apply microscopic traffic simulation models to project level emissions analysis, focusing specifically on vehicle trajectory information. This project…

Development of a Data-Driven Analytical Framework to Assess Air Quality Impacts of Transportation Projects

By ahardingMay 7, 2021Leave a comment

To comply with the transportation conformity requirements, state and local transportation agencies use various transportation strategies designed to reduce air pollutant emissions in nonattainment and maintenance areas by improving traffic…

Eco-melting options for urban roads

By ahardingMay 7, 2021Leave a comment

This study presents thermal snow melting methods utilizing electric heating cable, geothermal, tunnel water heat, and solar that can be applicable for various locations on modern road networks. Compared with…

Availability and Applicability of Emerging Transportation Dataset to the Near-Road Project-Level Air Quality Analysis

By ahardingMay 7, 2021Leave a comment

For project level analysis using MOVES model, detailed link level activity (volume, speed, source type mix, etc.) information are used to estimate link level emission rates or total emissions. Studies…

Co-Benefits and Trade-Offs of Low-Carbon Policies in the Transportation Sector

By ahardingMay 7, 2021Leave a comment

With rising concerns over climate change impacts and the resilience of urban infrastructures, cities are increasingly held accountable for their total carbon footprint and for their ability to identify and…

Documenting and implementing UAS data for roadside vegetation management

By ahardingMay 7, 2021Leave a comment

Invasive plant species can create nuisance maintenance issues and even dangerous conditions for the traveling public by affecting lines-of-sight, efficiency of roadside drainage, etc. The NCHRP Synthesis Report 341 on…

Quiet bridges: Design, Construction, and Modification

By ahardingMay 7, 2021Leave a comment

By spanning physical objects such as water features and valleys, bridges connect places of importance. These structures also provide a secondary benefit to wildlife as a means to navigate facilities…

Mining the California Truck Survey for Emissions Modeling

By ahardingMay 7, 2021Leave a comment

This research would analyze the new California Truck Survey data to develop MOVES model inputs and compare inputs developed from this survey with other sources. It would also provide suggestions…

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  • All Content

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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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