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.

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Environmental Stewardship In Transportation

Example of the installation of silt fencing, drainage channel protection, along with seeding and straw to prevent the erosion of soil during construction of our roadways.
Case Study
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Ohio DOT Environmental Commitments System

Environmental Management Systems
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Environmental Policy
July 5, 2022
Navajo Lake Road
Case Study
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Utah DOT Environmental Commitments System

Emerging Technologies
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Project/Delivery Streamlining
July 5, 2022
Figure 3: Simulation of the Canyon Viaduct Above Clear Creek Canyon
Case Study
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Integration of Resilience and Context Sensitivity on a Mountain Corridor: Interstate 70 Floyd Hill to Veterans Memorial Tunnels Project, Colorado

Context Sensitive Solutions
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Resilience
March 23, 2022

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:

Climate Change

Environmental Justice

Emerging Technologies

Stormwater

NEPA Process

Traffic Noise

AASHTO’s ETAP Podcast Episode: Bridging A Better Tomorrow with Reconnecting Community Projects
Listen to More ETAP Episodes 

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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.

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CLUE Database

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

Search Case Law