The Sustainable Highways Initiative supports programs and activities conducted across the
Federal Highway Administration to facilitate balanced decisionmaking among environmental,
economic, and social values — the triple bottom line of sustainability.

Photograph of a two-lane road through a lush, dense forest of tall trees

INVEST 1.0 supports roadway sustainability

ACCESS THE TOOL >
APPLY to partner with FHWA as an implementation site.

Federal Highway Administration, U.S. Department of Transportation; INVEST Sustainable Highways Self-Evaluation Tool
Photograph of a two-lane road on a hill in a rural setting. Jersey barriers divide the road; a construction crew with heavy equipment is installing soil nails along the near edge of the roadway.

AASHTO Sustainability
Case Studies

Read about living snow fences and other
tools to advance sustainability…READ MORE >

Center for Environmental Excellence by AASHTO: One Stop Source of Environmental Information for Transportation Professionals
Photograph of a congested 5-lane highway with overhead variable speed signs displaying speed limits of 60, 45, 45, 45, and 45.

Leaner and Greener Report

Learn about variable speed lanes and
other innovative practices…READ MORE >

Leaner and Greener: Sustainability at Work in Transportation
What is sustainability? Find Out
What is a sustainable highway? Find Out
What is the Sustainable Highways Initiative? Find Out
What is the INVEST self-evaluation tool? Find Out
Where can I find more information? Find Out

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