Invasive Species
Transportation agencies have a wide range of approaches for effective vegetation management, promotion of native plants and wildflowers, and control of invasive species in the nation’s transportation corridors. Here are resources to help your own agency.
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Reduced Roadside Mowing Policy Promises Multiple Benefits in Washington State
Reduced fuel consumption, fewer carbon emissions, better weed control, cost savings and improved habitat for pollinators are among the many benefits of the Washington State Department of Transportation’s (WSDOT) new policy to reduce mowing on the state’s roadsides.

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Invasive Species/Vegetation & Transportation
Effective vegetation management, promotion of native plants and wildflowers, and control of invasive species are key within our nation’s transportation corridors.
We dive deep into how transportation organizations can deal with invasive species and vegetation.
External Links
FHWA Pollinator Website: resources on pollinator-friendly practices in roadside vegetation management for state DOTs and other transportation agencies and roadside managers including literature review, case studies, and state DOT practices.
Ecosystems and Vegetation Management
Roadside Revegetation: An Integrated Approach to Establishing Native Plants: This website contains four integrated and interlinked modules dedicated to explaining the art and science of roadside revegetation
A Manager’s Guide to Roadside Revegetation Using Native Plants (Oct. 2007)
Xerces Society for Invertebrate Conservation, Managing Roadsides and Rights of Way for Pollinators web page