Skip to content
Save the Date: June 4-8, 2023 – AASHTO Committee on Environment and Sustainability Annual Meeting
About Us
closeCLOSE

search

search

Center for Environmental Excellence | AASHTO
Center for Environmental Excellence | AASHTO
  • 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
  • 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

You are here:
  1. Home
  2. Research Idea (TERI)

Impacts of Roadway Access Management on Air Quality, Energy Consumption, and Greenhouse Gas Emissions

By ahardingMay 7, 2021Leave a comment

Roadway access management has been shown to be highly effective in terms of improving both traffic safety and traffic flow. Crash rate reductions of between 40 and 50 percent are…

What is the Best Methodology for Achieving the “Passive” Diesel Particulate Filter Retrofit of Existing DOT Diesel Engine Fleets While Eliminating Service Delivery Issues and at What Cost/Benefit?

By ahardingMay 7, 2021Leave a comment

TERI Administrator Note (Feb 2009) Related Research: Diesel Retrofit Technology – An Analysis of the Cost-Effectiveness of Reducing Particulate Matter and Nitrogen Oxides Emissions from Heavy-Duty Nonroad Diesel Engines Through…

Effectiveness of Air Quality Public Education Programs

By ahardingMay 7, 2021Leave a comment

TERI Database Administrator Notes:  Not recommended at present time by 2009 Air Quality Subcommittee. Background: Millions of dollars are spent annually on air quality (mobile source-related) public education programs Objectives…

Managing the Effects of Magnesium Chloride on Roadside Vegetation

By ahardingMay 7, 2021Leave a comment

TERI Administrator Note (Feb 2009): Related Research: Impacts of Magnesium Chloride-Based Deicers on Roadside Vegetation; Transportation Research E-Circular Number E-C126 June 2008 – Surface Transportation Weather and Snow Removal and…

Remediation of Areas Treated with Residual Herbicides

By ahardingMay 7, 2021Leave a comment

I. Research Problem Statement For years non-selective, residual herbicides were used to keep the roadsides at the edge of the pavement free of vegetation. These areas, sometime referred to as…

Vegetation Effects on Sub Base Drainage Relating to Pavement Preservation

By ahardingMay 7, 2021Leave a comment

Environmental regulations require Departments of Transportation (DOTs) to stabilize exposed earth along roadsides and encourage the establishment of grasses to help filter pollutants out of runoff. To comply with these regulations,…

Enhancing Multi-Agency Coordination for Ecosystem Based Transportation Project Planning

By ahardingMay 7, 2021Leave a comment

Recent federal legislation, rules and other initiatives (SAFETEA-LU, executive orders, Eco-Logical, Green Infrastructure, etc.) encourage and in some cases require state Departments of Transportation to increase their levels of collaboration…

A Synthesis of Best Practices in the Controlled Burial of Significant Archaeological Sites in Transportation Projects

By ahardingMay 7, 2021Leave a comment

Problem   The recovery of information from significant archaeological sites affected by transportation projects is a widespread and generally accepted practice throughout the United States. Archaeological data recovery, however, is very…

UV and Fluorescence Spectroscopy Used to Characterize and Quantify Dissolved and Colloidal Organic Material in Northwest Streams as an Indicator of the Bioavialability of Toxic Metal Cations (Cuii, Znii)

By ahardingMay 7, 2021Leave a comment

Using a modification of the methods used by J.C. Rochaa et al. J. Braz. Chem. Soc. Water Samples from 5-10 NW Salmon Streams will be taken and the fulvic acid…

Linking Energy, Transportation, Architecture and Planning in a Symbiotic Relationship.

By ahardingMay 7, 2021Leave a comment

To look at how alternative energy sources such as solar or fuel cell can link with transportation movement systems in providing symbiotic alternative power for our building and movement needs. …

←1
2345678910111213
…1415161718…
19202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576
77→
  • All Content

    • AASHTO (4)
    • Active Transportation (45)
    • Air Quality (18)
    • Archaeology (3)
    • Center for Environmental Excellence by AASHTO (3)
    • Climate Change (46)
    • Context Sensitive Solutions (20)
    • Electric Vehicles (26)
    • Emerging Technologies (15)
    • Environmental Justice (22)
    • Environmental Management Systems (8)
    • Environmental Policy (10)
    • Fuel Efficiency (11)
    • Geographic Information Systems (4)
    • Infrastructure (10)
    • Infrastructure Reslience (13)
    • Innovation (16)
    • Invasive Species/Vegetation (15)
    • Litter (20)
    • NEPA Process (19)
    • Planning and Environment Linkages (6)
    • Planning and Environmental Linkages (5)
    • Podcast (22)
    • Project/Delivery Streamlining (14)
    • Protecting Cultural Resources (11)
    • Public Involvement (7)
    • Regulatory Developments (1)
    • Resilience (18)
    • Stormwater (35)
    • Sustainability (39)
    • Traffic Noise (9)
    • Transportation Policy (13)
    • Uncategorized (9)
    • USDOT (4)
    • Using the Practitioner's Handbooks (8)
    • Waste Management/Recycling (14)
    • Water Quality/Wetlands (24)
    • Wildlife and Ecosystems (45)

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.

  • Contact Us
  • Terms and Conditions
  • Privacy Policy
© 2023 Center for Environmental Excellence by AASHTO (the American Association of State Highway and Transportation Officials)
Go to Top