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Save the Date: June 4-8, 2023 – AASHTO Committee on Environment and Sustainability Annual Meeting
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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)

Investigate Potential for Saving Water During Concrete Pipe Curing

By ahardingMay 7, 2021Leave a comment

Develop a method to use less water when curing concrete cylinders in a moisture room and develop a procedure to recylce  water from the moisture room. Several times Metro-Atlanta has experienced…

Evaluation of L-Moments and Bulletin 17B Methods for Flood Frequency Analysis

By ahardingMay 7, 2021Leave a comment

Standard practice in the U.S. within hydrology is to assume a Log-Pearson III probability distribution for predicting flood flows. This practice came about due to the computational resources that were…

Use of Passive Treatment Systems in Transportation Networks/Stormwater Facilities to Adjust Water Quality of Acid Precipitation.

By ahardingMay 7, 2021Leave a comment

The objective would be to identify new BMP that would adjust water quality of acid precipitation conveyed along dirt and gravel roads for use by transprotation practioners.

Placement of Bat Boxes on Bridges to Enhance Bat Roosting Habitat

By ahardingMay 7, 2021Leave a comment

Bridges built in previous decades often incorporated expansion joints that provided optimal roosting habitat for bats.  This is due to the combination of favorable gap size, open canopy in road…

New Tools for Assessing Wildlife Permeability

By ahardingMay 7, 2021Leave a comment

The objective of this research is to develop a PDA that obtains the matrices identified for structures, habitats and species so that field personnel will have a tool for assessing…

The Application of Geographic Information Systems (GIS) to Streamline the Identification of Historic Properties on Federally Funded Transportation Projects

By ahardingMay 7, 2021Leave a comment

Section 106 Historic Property identifications in advance of federally funded transportation projects are typically very costly and time consuming. This process is less effective and efficient than it should be.…

Inefficiencies of the US Fish and Wildlife Services IPAC System

By ahardingMay 7, 2021Leave a comment

Objective- To show that in most cases that the IPAC system is greatly flawed and the most states have far more accurate data in their own GIS Systems.The best available…

Losing the Small Stuff: A National Synthesis of Transportation Exclusions to Section 106 Review

By ahardingMay 7, 2021Leave a comment

Section 106 of the National Historic Preservation Act of 1966 ( 16 USC 470(f)) requires that Federal agencies take into account the effects of their undertakings on properties eligible for…

Methodology for Developing a Data-Driven Mitigation Measures Program for a Statewide Animal-Vehicle Collision Program

By ahardingMay 7, 2021Leave a comment

Problem Statement: Large animal-vehicle collisions are a growing problem nationwide and results in fatalities, personal injuries, and property damage.  While “road-kill” data is collected, the nation needs to quantify the extent…

“Giving Away the Bridge”: A National Synthesis of on Transferring Ownership of Historic Bridges

By ahardingMay 7, 2021Leave a comment

Federal law requires state departments of transportation (DOTs) to make available for donation to non-DOT parties any historic bridge that is programmed for demolition or replacement (23 USC 144(o)(4)). This…

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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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