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The J-Band Blog

In Case Studies , Great Asphalt Moments , Research and Studies

Accelerated VRAM Pavement Testing at the NCAT Test Track

Sign of the Test Cell s-13
The NCAT Test Track  The National Center for Asphalt Technology (NCAT) Test Track at Auburn University is a proving ground for asphalt pavements. Made up of a 1.7-mile oval, the Test Track is divided into 200-foot test sections to create a real-world laboratory for innovative paving techniques and products. In...
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November 12, 2024 by Olivia Kortepeter
In Industry News , Research and Studies , Rumble Strips , Safety

Discoveries on Low-Noise Rumble Strips 

Sinusoidal rumble strip in the center of a road
In a time when drivers are more distracted than ever, rumble strips are a necessity to save motorists from head-on collisions and road departure crashes. The Federal Highway Administration reports that, “milled centerline rumble strips provide statistically significant reductions in injury crashes of 38-50% on rural two-lane roads and 37-91%...
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October 22, 2024 by Olivia Kortepeter
In Case Studies , Rumble Strips , Safety

Marathon County Highway Department Chooses Long-Lasting Safety

J-Band
The Marathon County Highway Department in central Wisconsin is hard at work maintaining over 600 miles of highways. Their commitment to a safe and high-quality transportation system has led them to leverage innovative asphalt products and technologies to achieve roadway longevity.   The county planned improvement and resurfacing of County Trunk...
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October 10, 2024 by Olivia Kortepeter
In Case Studies , Great Asphalt Moments , Project Reviews

VRAM Preserves the Longitudinal Joint for over 20 Years on US-51  

J-Band
Longitudinal joints are one of the first parts of a pavement to fail. As a road’s most permeable location, air and water seep into voids at the construction joint, leading to premature cracking, potholing and delamination of the surface.   However, there is a materials-based approach to protecting longitudinal joints....
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September 25, 2024 by Olivia Kortepeter
In Research and Studies , Specialty Products

J-Band’s Shadow on Road Construction

J-Band Shadow appears on a freshly paved HMA mat
The Shadow Take a close look at a hot mix asphalt (HMA) mat paved over J-Band. In the right circumstances, there is a shadow that appears. Above the band where the J-Band was laid, the HMA mix often appears visibly darker after the rolling operation. Why does this happen and...
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September 18, 2024 by Olivia Kortepeter
In Case Studies

Illinois State Route 33 is Preserved with VRAM Application

VRAM, a thick band of asphalt, is being shot from a truck on the centerline of a road
Across the state of Illinois, specifications encourage the increased use of Void Reducing Asphalt Membrane (VRAM), commonly known as a Longitudinal Joint Sealant (LJS) in Illinois, to prohibit longitudinal joint deterioration. J-Band®, Asphalt Material, Inc. (AMI)’s premier VRAM, works by filling air voids within the longitudinal joint from the bottom...
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September 12, 2024 by Olivia Kortepeter