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In Situ Study of Road Marking Durability Using Glass Microbeads and Antiskid Aggregates as Drop-On Materials

1
Department of Civil Engineering, University of Alicante, Ctra. San Vicente del Raspeig s/n, 03690 San Vicente del Raspeig, Alicante, Spain
2
Servicio Territorial de Carreteras de Alicante, Conselleria de Vivienda, Obras Públicas y Vertebración del Territorio, Generalitat Valenciana, Avda. Aguilera 1, 03007 Alicante, Spain
*
Author to whom correspondence should be addressed.
Coatings 2018, 8(10), 371; https://doi.org/10.3390/coatings8100371
Received: 20 September 2018 / Revised: 10 October 2018 / Accepted: 20 October 2018 / Published: 21 October 2018
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Abstract

Road markings play an important role in road safety because they provide significant information to drivers about the road. For that reason, they must be replaced when they are not correctly perceived by road users. To analyse which are the main factors that affect road marking perception over time, a test section was designed in a two-lane rural highway, running actual traffic over 18 different types of markings fabricated with different combinations of drop-on materials. Chromatic coordinates, luminance, and retroreflectivity of each sample were measured during 18 months in order to study their evolution over time. The results obtained show different behaviours depending on the aggregates and application method used. An increment of the durability has been observed with the use of different layers and mixtures of glass microbeads with different sizes. View Full-Text
Keywords: road markings; glass microbeads; drop-on materials; retroreflectivity; skid resistance; road safety road markings; glass microbeads; drop-on materials; retroreflectivity; skid resistance; road safety
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Coves-Campos, A.; Bañón, L.; Coves-García, J.A.; Ivorra, S. In Situ Study of Road Marking Durability Using Glass Microbeads and Antiskid Aggregates as Drop-On Materials. Coatings 2018, 8, 371.

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