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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

Case Studies

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Polluting clouds of exhaust fumes rise in the air

Georgia DOT’s Commuter Program Leverages CMAQ Funds for Travel Demand Management

By Amber GarnettSeptember 1, 2016

The Atlanta metropolitan area is one of the fastest growing population centers in the nation, and the Georgia Department of Transportation is working to make sure that having more people…

Supervisor talks with employee in front of computer.

Texas DOT Offers Simplified Guidance to Assess Projects’ Indirect and Cumulative Effects

By ahardingJuly 8, 2016

Challenges associated with assessing the indirect and cumulative effects of transportation projects across Texas have been eased by a revised and simplified set of handbooks and guidance documents developed by…

Graphic of images flowing out of open laptop,

Transportation Agencies Test Advanced Imaging for Wildlife Movement

By ahardingMay 21, 2016

The use of web-enabled cameras to better understand wildlife movements on and near highway rights of way could provide transportation agencies with more timely data, lower costs, and help prevent…

Agent checking policy documents in office

Ohio DOT Provides Step-by-Step Guidance for Environmental Justice Analysis

By ahardingApril 25, 2016

As environmental justice in infrastructure planning and construction continues to be promoted at the federal level, state transportation agencies are finding ways to make the process more defined for staff…

Busy eight lane highway

TxDOT Accrues Multiple Benefits from NEPA Assignment Responsibilities

By ahardingApril 8, 2016

The Texas Department of Transportation’s (TxDOT) assumption of authority for the Federal Highway Administration’s (FHWA) responsibilities for environmental review and approval is providing multiple streamlining benefits, saving time and money…

Roadside autumn colors

VDOT Program Aids Pollinators While Supporting Transportation Goals

By ahardingJanuary 7, 2016

The Virginia Department of Transportation (VDOT) is implementing a Pollinator Habitat Program along the state’s highway system that provides much-needed waystations for monarch butterflies and other dwindling pollinator species.  Moreover,…

Man asks question during meeting

Oregon DOT Makes Headway in Streamlining ESA Section 7 Consultations

By ahardingDecember 12, 2015

The Oregon Department of Transportation (ODOT) and Federal Highway Administration (FHWA) have significantly reduced review time and cost for conducting endangered species consultations for their projects through implementation of a…

Programming data on black screen.

Virginia DOT’s Environmental Data and Reporting System Improves Communication, Accountability

By ahardingDecember 8, 2015

The Virginia Department of Transportation’s (VDOT) evolution to an environmental data management system started with more than 73 decentralized spreadsheets and personal databases.  In 2001, VDOT developed its GIS Integrator,…

Historic home in field.

Ohio DOT Programmatic Agreement Streamlines LWCF Section 6(f) Requirements

By ahardingOctober 14, 2015

The Ohio Department of Transportation (ODOT) is cutting down its paperwork and ramping up its collaboration thanks to a unique Programmatic Agreement (PA) signed last year for compliance with Section 6(f) of…

Mountain road in fall.

Agreement Offers Streamlined Mitigation Option for Impacts to Canada Lynx in Colorado

By ahardingAugust 7, 2015

An innovative Memorandum of Agreement (MOA) created by Colorado DOT (CDOT), the Federal Highway Administration (FHWA), and U.S. Fish and Wildlife Service (USFWS) will provide CDOT with a new streamlined option for…

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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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