Transportation for a Sustainable Future

The Center for Environmental Excellence promotes environmental stewardship and encourages innovative ways to achieve environmental excellence in the delivery of transportation programs, projects, and policies.

Featured Educational Content

Webinars and more…

The AASHTO Center for Environmental Excellence provides convenient access to programs, policies, case studies, and other resources related to the role of transportation in support of livable and sustainable communities, including multimodal transportation options that advance public health goals.

Our content is designed to provide technical assistance, training, and information exchange, as well as partnership-building opportunities and quick access to environmental tools.

Some of the most popular educational content is:

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Laws & Agreements

Our document databases are organized, accessible, and comprehensive libraries of agreements and case law updates related to transportation and the environment.​

PAL Database

PAL is the Center for Environmental Excellence’s library of programmatic agreements.

CLUE Database

CLUE is a storehouse for tracking and sharing case law updates on the environment.