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Evaluation of Trapezoidal-Shaped Runway Grooves

Research about the new trapezoidal-shaped pavement groove

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Nobody grooves runways as quickly and efficiently as Cardinal/International Grooving and Grinding of Conshohocken, Pennsylvania. With over fifty patents in the grooving and related fields, Cardinal is the recognized world leader in airport grooving quality and production. And now, having worked in conjunction with the FAA, Cardinal has developed and perfected the Trap Z® method, the world’s first practical method of efficiently and cost effectively producing trapezoidal grooves in both asphalt and concrete runways.

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P.O. Box 450, 100 Barren Hill Road
Conshohocken PA 19428

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