Digital Billboards And Road Safety
Author(s)
K. Domke, K. Wandachowicz, M. Zalesińska, S. Mroczkowska
& P. Skrzypczak
Abstract
Electroluminescent diodes have become increasingly popular on outdoor
billboards for the last few years, all over the world. Digital billboards with
electroluminescent diodes are large, have high luminance and display
dynamically changing images. Billboards located near streets are a potential
threat to traffic safety. The paper presents requirements for such billboards, the
results and analysis of measurements of selected billboards located in Poznań,
Poland, as well as conclusions and recommendations for large size billboards
with light emitting diodes located in the vicinity of roads and intersections.
Keywords: light engineering, digital billboards, road safety.
1 Introduction
With the development of the technology of light emitting diodes (LED), large
size billboards with electroluminescent diodes have come to our towns. These
billboards are usually large, have high luminance and show dynamically
changing images. Car, bus and rail vehicle drivers complain that glaring
billboards located in their field of vision are uncomfortable to look at and
interfere with normal driving tasks, especially in the evening and at night.
Billboards located near streets are a potential threat to traffic safety.
The current Polish standards on outdoor lighting and road lighting specify no
explicit requirements for this type of billboards. The currently valid requirements
specify maximum luminance and luminous intensity values of signs, including
billboards emitting light (or illuminated ones). However, the location of the
billboard towards the observer, its angular diameter, distance from the main
Keywords
light engineering, digital billboards, road safety
Related Book
Other papers in this volume
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