Evaluation of Trapezoidal Shaped Grooves

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Details of ACY Trapezoidal-Shaped Groove Test Area

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Bridge-Deck Groove-Cutting Machine in Position on Taxiway Bravo

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Standard Groove Installation on Taxiway Bravo

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Trapezoidal-Shaped Groove Installation on Taxiway Bravo

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The MCAF Quantico Test Area

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Details of MCAF Quantico Grooving Effort

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Full-Size Groove-Cutting Machine at MCAF Quantico

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Large Groove-Cutting Machine Finishing a Pass on Runway 02-20 at MCAF Quantico Trapezoidal-Shaped and Standard Grooves Installed on Runway 02-20 at MCAF Quantico

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Rubber Contamination at MCAF Quantico—Standard Groove

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Rubber Contamination at MCAF Quantico—Trapezoidal-Shaped Groove

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33 Rubber Contamination After Rubber Removal Operation at MCAF Quantico

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34 Evidence of Damage to Edges of Standard and Trapezoidal-Shaped Grooves

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Test Area for Water Dispersal Test

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Airport Fire Truck Dispersing Water on Test Area

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Illustration of Water Dispersal Difference

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The MCAF Quantico Friction Run 1R—Dry Pavement

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The MCAF Quantico Friction Run 4R—Light Rain, Wet Pavement

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The MCAF Quantico Friction Run 3L—5 Minutes After Heavy Rain

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The MCAF Quantico Friction Run 4L—10 Minutes After Heavy Rain

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The ORD Test Area

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Details of ORD Grooving Effort (West)

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