Environmental Product Declaration (EPD)
FHWA Superb Guidance Document
This EDP tech brief by FHWA is a superb document that explains and outlines the EDP process.
State Departments of Transportation (DOTs) are continually assessing and choosing materials or technologies to meet their transportation needs. As part of this assessment, DOTs are turning to Environmental Product Declarations (EPDs) to quantify the environmental impacts associated with those products.