Articles by:
John Calvert

When John Calvert became a technical consultant for Pavement Technology, Inc. in 2003, he brought with him 29 years of experience as a public works division manager. Among his many responsibilities for the City of Oak Ridge, Tennessee, John handled maintenance supervision for the city’s roads and streets. As an active member of the American Public Works Association, he has served his local Tennessee Chapter in many capacities, including as president. John’s current work for PTI has been enriched by a wealth of front-line experience, including teaching, where he continues to mentor other public works professionals and state DOTs on various aspects of pavement preservation.

Asphalt Road Maintenance in the Age of COVID-19

Posted on: 24 Aug 2020

This year has been a very difficult one with most agencies being affected by the COVID19 pandemic in their daily operations, and many being forced to cut their asphalt pavement maintenance budgets.   I’ve heard where some agencies have cut their entire paving budget, while others have only cut that part of the budget funded by local general funds, but not the part funded by […]

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Longitudinal Joints: Sealing Road Seams for Pavement Preservation

Posted on: 15 Oct 2019

The premature failure of centerline joints, lane-to-lane joints and rumble strips is generally recognized by pavement preservation managers to be a grave threat to the sustainability of our federal interstate highway system). The longitudinal joints where paving mats meet in Hot Mix Asphalt (HMA) pavements and overlays are vulnerable to moisture intrusion should the wearing […]

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