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A green roads standard is under development at the University of Washington (http://pavementinteractive.org/index.php?title=UW:Green_Roads, June 2007). The following is a review of the three methods and their applicability towards green roads standards.
“is a rating system that distinguishes high-performance sustainable, environmentally sound new, reconstructed or rehabilitated roads. It awards credits for approved sustainable or environmentally friendly choices/practices and can be used to certify projects based on total point value. Projects can be certified at the gold, silver or evergreen level depending upon their level of sustainability and environmental stewardship. The ultimate intent is for WSDOT and local agencies to require Green Roads as a standard or confer benefits on road projects that are certified according to this standard.” (www.pavementinteractive.org, 2007)
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