Ever wondered how and why a new proficiency sample scheme was created? Special guests John Malusky and Ryan LaQuay join hosts Brian Johnson and Kim Swanson to reveal the meticulous planning process behind the Hamburg Wheel Tracking samples, a groundbreaking addition to AASHTO re:source's Proficiency Sample Program. Hear firsthand accounts of the logistical challenges faced during its development, the steps taken to prevent segregation, and the lessons learned from pilot studies with DOTs that highlight the critical importance of well-blended materials.Read this episode's companion article or watch the video on YouTube.Send us a textHave questions, comments, or want to be a guest on an upcoming episode? Email [email protected]. Related information on this and other episodes can be found at aashtoresource.org.

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