United States Department of Transportation
i
Airport Pavement Paint Study - Implementation & Evaluation
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2020-07-01
[PDF-6.61 MB]
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Edition:FINAL REPORT (2017-2020)
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Abstract:Staining of airfield markings is a safety problem. On airport pavement, white paint markings indicate that the pavement is a runway; yellow paint indicates the pavement is a taxiway or aircraft parking apron. Maintaining this difference in color is critical for the safety of all airport users. Iron, which is present in the sand and stone (aggregate) within the bituminous pavement, stains the airfield paint a yellowish-brown shade, which is particularly noticeable on the white paint. This staining affects compliance with the color standards required by the Federal Aviation Administration (FAA) and Department of Defense (DoD). The results of a 2015 NHDOT study determined that airport pavement aggregate that contains iron, as evidenced by rust-colored aggregate in the pavement surface, is present at some NH airports including Laconia Municipal Airport in Laconia, NH, resulting in rust staining of the runway paint. The current study implemented and evaluated the performance of various pavement marking paint options at Laconia Airport and found that a stain resistant additive extended the service life of the white paint markings and that paint markings on seal coated areas experienced reduced paint discoloration.
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