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Center for Environmental Excellence | AASHTO
Center for Environmental Excellence | AASHTO
  • Laws & Agreements
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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

Fall foliage along scenic route

Reduced Roadside Mowing Policy Promises Multiple Benefits in Washington State

By ahardingJuly 27, 2015

Reduced fuel consumption, fewer carbon emissions, better weed control, cost savings and improved habitat for pollinators are among the many benefits of the Washington State Department of Transportation’s (WSDOT) new…

A road going through the lush green mountains

Colorado Landscape Architecture Manual Provides Guidance, Best Practices

By ahardingMarch 7, 2015

At the Colorado Department of Transportation, effective landscape architecture provides benefits beyond just a pretty view. In fact, CDOT regards one of the major focuses of landscape architecture to be…

Overgrown roadside

Kansas DOT Roadside Management Policy Evident as Wildflowers Bloom

By ahardingMay 7, 2009

The Kansas Department of Transportation’s successful roadside management policy is getting some well-deserved recognition each spring, as motorists enjoy the sight of pink evening primrose and other native wildflowers in…

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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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