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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

Archived

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  2. Research Idea (TERI)

Development of a “Manual” of Standard Practice for the Restoration Historic Bridges

By ahardingMay 7, 2021Leave a comment

Development of a “manual” of standard practice for restoring historic bridges would be of great help to the practicing engineer. Civil Engineering curriculum typically doesn’t teach in detail regarding wrought…

Microhabitat Analysis of Bat Roosting locations on Bridges Across the United States

By ahardingMay 7, 2021Leave a comment

To better understand the microhabitat preferred by roosting bats on bridges; I propose a nationwide (random selection) of bridges across the US. A comprehensive, multi-year analysis would need to be…

working with NGOs, Farmers, Miners and Animals

By ahardingMay 7, 2021Leave a comment

allow the UN to lead our website and developments, fighting terror, anti green associations and protecting markets.

Highway runoff characterization and assessment through sediment fingerprinting

By ahardingMay 7, 2021Leave a comment

Runoff associated with highways and roads has been identified as a major source of fine sediment entering water bodies. Sediment removal methods include sediment traps, hydrodynamic and filtration devices, sediment…

Section 106 Delegations to State DOTs Through Programmatic Agreements

By ahardingMay 7, 2021Leave a comment

Section 106 of the National Historic Preservation Act of 1966 (54 USC §306108) requires that Federal agencies take into account the effects of their undertakings on properties eligible for listing…

Performance Analyses of Transportation Liaisons in State Historic Preservation Offices

By ahardingMay 7, 2021Leave a comment

BACKGROUND: Beginning in in the early 1990s, some State Department of Transportations (State DOTs) began to fund additional staff positions at resource agencies to expedite project delivery. After the passage…

A National Perspective on Evaluating Strategies for Historic Truss Bridge Projects between Rehabilitation and Removal/Mitigation

By ahardingMay 7, 2021Leave a comment

Description: It is generally recognized that not all historic truss bridges can be rehabilitated in place or relocated because of structural condition, financial costs, or public interest in preservation in-place.…

National Synthesis of Railing Systems Successfully Used for the Rehabilitation of Historic Bridges and for New Bridges in Historic Areas

By ahardingMay 7, 2021Leave a comment

The rehabilitation of historic bridges often must accommodate upgrading certain components to modern engineering and safety standards. Railing systems are among the most visually prominent of such components, either through…

Updating regional road networks in forested regions for environmental assessment

By ahardingMay 7, 2021Leave a comment

Road features have both positive and negative effects on their surroundings. While roads provide transportation for people and goods, there are a significant number of negative ecological impacts that can…

Fleet and Activity Data with Improved Spatio-Temporal Details for Emissions and Air Quality Modeling

By ahardingMay 7, 2021Leave a comment

Summary Objective: The objective of this research is to provide guidelines and best practices for practitioners for developing spatial and temporally detailed vehicle fleet and activity estimates for input to…

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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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