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Advanced text search, with results sortable by date or relevance.
Site Directory
Site Directory
Snapshot of all website content, in outline format, with links to content pages.
New on the Website
New on the Website
A list of items posted each week, based on a daily news scan of relevant topics.
New on the Website by Week
New on the Website by Week
Comprehensive summary of all items, posted by week and by year, dating back to 2010.
Practitioner's Handbooks
Practitioner's Handbooks
Handbooks with practical advice on a range of environmental issues that arise during the planning, development and operation of transportation projects.
Announcements
Announcements
News about new Center products, programs, publications, webinars and other activities. Archive link displays items posted for the year.
Webinars
Webinars
Links to past AASHTO webinars designed to provide technical assistance, training, information exchange, partnership-building opportunities, and access to environmental tools.
News from Around the Web
News from Around the Web
Links to recent transportation postings that are relevant for transportation and environmental professionals.
Transportation / Environment Alert
Transportation / Environment Alert
Weekly newsletter on relevant environment and transportation news. Full text available to subscribers only.
Case Studies
Case Studies
Examples of success stories, best practices, and innovative tools and approaches.
Resilient and Sustainable Transportation Systems Program
Resilient and Sustainable Transportation Systems Program
Resources to understand the potential effects of climate change, and the range of strategies and options for climate change mitigation and adaptation.
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Announcements

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Practitioner's Handbooks

Practical advice on a range of environmental issues that arise during the planning, development, and operation of transportation projects. View Handbooks >
graphic: handbooks

Webinars

Webinars on key topical areas of interest, including Climate Change, Construction /Development Effluent Guidelines, NEPA, Stormwater, and more. View Webinars >

News from Around the Web

Recent Internet postings of interest to transportation and environmental professionals. View News >

Transportation/ Environment Alert

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Meetings & Events

  • Case Study Photo

    Georgia DOT supports a range of efforts such as the Georgia Commute Options Program to help reduce auto-related air emissions.

    Read Case Study >Photo: Georgia DOT

  • Case Study Photo

    Florida DOT's Traditional Neighborhood Development Handbook provides best practices for facilitating community design.

    Read Case Study >Photo: Florida DOT

  • Case Study Photo

    The Vermont Agency of Transportation is installing solar projects to offset its energy use, such as this solar array at the Rutland Airport.

    Read Case Study >Photo: Vermont Agency of Transportation

  • Case Study Photo

    Pennsylvania DOT has developed its Every Voice Counts planning-level environmental justice guidance as well as separate project-level guidance.

    Read Case Study >Photo: Pennsylvania DOT

  • Case Study Photo

    Oregon DOT's Environmental Management System reduces environmental impacts from its maintenance yards, such as this improved vehicle washing area.

    Read Case Study >Photo: Oregon DOT

  • Case Study Photo

    Virginia DOT's Comprehensive Environmental Data and Reporting system (CEDAR) provides a single user interface for VDOT's environmental data.

    Read Case Study >Photo: Virginia DOT

  • Case Study Photo

    Pennsylvania DOT has developed an interactive ‘Story Map’ to document history, mitigate impacts of the Potters Mills Gap Transportation Project.

    Read Case Study >Photo: Pennsylvania DOT

  • Case Study Photo

    Texas DOT's indirect and cumulative impacts guidance documents help streamline implementation of projects such as FM 2493 EA Project in Smith County.

    Read Case Study >Photo: Texas DOT

  • Case Study Photo

    Minnesota DOT's climate vulnerability assessment is helping the agency address threats such as this flooded culvert in District 6.

    Read Case Study >Photo: Minnesota DOT

  • Case Study Photo

    Six State DOTs are joining forces to build a ‘Monarch Highway’ along I-35 from Texas to Minnesota, helping the insects on their annual migration.

    Read Case Study >Photo: U.S. Fish and Wildlife Service

  • Case Study Photo

    Texas DOT employees receive training as the agency assumes the Federal Highway Administration's environmental review authority in the state.

    Read Case Study >Photo: Texas DOT

  • Case Study Photo

    Ohio DOT's expanded online environmental documentation system offers cost and time savings.

    Read Case Study >Photo: Ohio DOT

  • Case Study Photo

    Caltrans uses air bubble curtain technology to mitigate noise impacts and protect wildlife during bridge pier implosions.

    Read Case Study >Photo: Caltrans

  • Case Study Photo

    Utah DOT's web-based mapping system helps link transportation planning and environmental decisions.

    Read Case Study >Photo: Utah DOT

  • Case Study Photo

    The Maine DOT adopts a programmatic approach to ensure vital protections for the endangered Atlantic salmon, while cutting project-approval times.

    Read Case Study >Photo: U.S. Fish and Wildlife Service

  • Case Study Photo

    Ohio DOT's Programmatic Section 6(f) agreement helps streamline requirements for LWCF properties such as the Leetonia Trailhead.

    Read Case Study >Photo: Ohio DOT

  • Case Study Photo

    Arizona DOT’s Sustainable Transportation Program has implemented solutions such as this roundabout and other features on US 89.

    Read Case Study >Photo: Arizona DOT

  • Case Study Photo

    Missouri DOT's Roofs to Roads initiative increases use of recycled asphalt shingles in pavement.

    Read Case Study >Photo: Missouri DOT

  • Case Study Photo

    New Hampshire DOT uses innovative methods to pump and divert construction stormwater for treatment on I-93 project.

    Read Case Study >Photo: New Hampshire DOT

  • Case Study Photo

    Transportation agencies are testing web-enabled cameras that allow immediate access to photos, such as this moose using a culvert under US 91 in Utah.

    Read Case Study >Photo: Fraser Shilling, Road Ecology Center, UC Davis


Center Products & Programs

The Center offers diverse products and programs for technical assistance, training, information exchange, partnership-building opportunities, and quick access to environmental tools.

Find more Products & Programs >

Learn More About The Center >

Resilient and Sustainable Transportation Systems Program

Helping state DOTs understand the potential effects of climate change, and the range of strategies and options for climate change mitigation and adaptation.

Learn More About the Resilient and Sustainable Transportation Systems Program >

AASHTO (American Association of State Highway and Transportation Officials)
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