An asphalt-laying machine is paving a road along an Arizona neighborhood roadway.

Southwest Pavement Technology Consortium

Arizona’s Pavement Hub for Research and Training

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Longitudinal Joints Workshop at SWPT
Past EventOctober 2026

Longitudinal Joint Workshop

Agency engineers, contractors, and researchers came together to take on one of the most persistent weak links in asphalt pavements, covering everything from joint construction and compaction to field experience and national joint density specifications.

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Project highlights

Wide thermal cracks in an asphalt pavement 2023 – Ongoing

Assessment of Thermal and Durability Cracks in Asphalt Pavements in the Southwest Region

Forensic site investigations, field cores and mechanistic analysis to find the root causes of the wide durability cracks seen in the southwest region.

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Crew building the Mesa test section 2023 – Ongoing

Development of Asphalt Concrete Mixture Long-Term Aging Protocol for Arizona’s Climatic Conditions

A laboratory aging protocol for reproducing how asphalt mixes age in Arizona’s climate.

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City of Scottsdale City of Phoenix City of Mesa City of Peoria
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Solterra Materials Vulcan Materials HF Sinclair Western Emulsions ViaSun Corporation Southwest Asphalt Nesbitt Contracting M.R. Tanner Construction Wright Asphalt Products Sunland Asphalt Talis Construction Corporation Ingevity
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