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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

    The PennDOT Connects Program gathers local input on needed features, such as wider bike lines and sidewalks on the South Street Bridge project.

    Learn more >Photo: Pennsylvania 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.

    Learn more >Photo: U.S. Fish and Wildlife Service

  • Case Study Photo

    Iowa DOT undertakes a massive project to move endangered mussels, protecting them from the I-74 bridge construction.

    Learn more >Photo: Iowa DOT


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.

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AASHTO (American Association of State Highway and Transportation Officials)
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