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Road surface photometric characterisation and its impact on energy savings
Trafikverket, Sweden.
RISE - Research Institutes of Sweden, Safety and Transport, Measurement Science and Technology.ORCID iD: 0000-0002-2387-1824
CEREMA, France.
INRIM Istituto Nazionale di Ricerca Metrologica, Italy.
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2019 (English)In: Coatings, ISSN 2079-6412, Vol. 9, no 5, article id 286Article in journal (Refereed) Published
Abstract [en]

How road surfaces reflect light in space is a physical characteristic that plays a key role in the design of road lighting installations: by European Standards the average luminance is the target quantity to assure the required safety conditions of the motorized road traffic. Lighting systems are designed (luminous flux installed per kilometre) to comply with the above requirement, starting from reference values of road surfaces reflection published in an old scientific document. These data are obsolete and not representative of current road surfaces, but they are still used to design current LED lighting systems. European Community funded a SURFACE project to provide to EU standard organization new traceable reference data, representative of current road surfaces used in EU. The paper presents the data collections and the impact on road lighting of using available old reference data versus SURFACE collected data of current road surfaces. Results highlight advantages in using bright pavements as well the need for introducing systems for flux control in road lighting installation to compensate for the discrepancies between current reference data and actual road surface data.

Place, publisher, year, edition, pages
MDPI AG , 2019. Vol. 9, no 5, article id 286
Keywords [en]
EMPIR, Energy savings, EURAMET, Luminance coefficient q, Road lighting, Road surface, Road users safety, Surface 16NRM02 project
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-38896DOI: 10.3390/coatings9050286Scopus ID: 2-s2.0-85065784154OAI: oai:DiVA.org:ri-38896DiVA, id: diva2:1319857
Note

Export Date: 28 May 2019; Article; Correspondence Address: Iacomussi, P.; Istituto Nazionale di Ricerca Metrologica (INRIM)Italy; email: p.iacomussi@inrim.it

Available from: 2019-06-03 Created: 2019-06-03 Last updated: 2019-06-03Bibliographically approved

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Lindgren, Mikael

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