I-90 West of George Paving - Warm Mix Asphalt
The Washington State Department of Transportation (WSDOT) paved about 5,000 tons of warm mix asphalt (WMA) as part of their I-90 West of George Pav...
Greenroads Manual
EW-7: Ecological Connectivity
1-3 point
Goal
Provide or improve wildlife access and mobility across roadway facility boundaries and reduce vehicle-wildlife collisions and related accidents.
Requirements
Conduct a site-specific wildlife assessment for the roadway project. Report the resulting impacts that the roadway has on the major ecosystems, identifying all nonhuman life that is impacted by the roadway facility according to the best scientific knowledge available for the ecosystem. Both point scenarios below require approval of the project ecologist.
1 point– Existing Alignments Only
Replace in-kind, retrofit, or upgrade any and all existing culverts and wildlife fencing
structures deemed structurally deficient, damaged, obsolete, insufficiently sized, or
otherwise inadequate.
OR
3 points – New or Existing Alignments
Install new dedicated wildlife crossing structures and protective fencing (if needed) as
recommended by the wildlife assessment. Existing alignments must also replace inkind,
retrofit, or upgrade all existing culverts and fencing structures deemed
structurally deficient, damaged, obsolete, insufficiently sized, or otherwise inadequate.
Documentation
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