Project team:

Client: The Danish Road Directorate
Lighting design: AF Hansen & Henneberg/DK


Products applied:

LEDs: Ledline2 BCS713 12xLED-LXN/GN EB I NB6 D10, Philips; Ledline2 BCS716 24xLED-LXN/GN EB I NB6 D10, Philips
Projectors: PROflood DCP608 CDM-TSA, Philips
Pole: custom design, Milewide

02. Dec 2009

Glow in the dark

Text: David Müller
Photos: Lars Bahl

There are not many drivers who can say they enjoy long motorway trips in the dark, especially not when the band of grey asphalt reeling out in front of them seems to be never-ending. From time to time road signs or motorway services loom up only to disappear into the night. Basically the journey consists of nothing more than driving in a more or less straight line through blackness. But wait a minute! What’s that? Something ahead seems to be glowing in the dark. It looks like regular rows of green tree trunks with a layer of white leaves connecting them at the top like a band. The people responsible for this mini section of luminous forest are the lighting designers from the Danish design practice ÅF – Hansen & Henneberg. The lighting they have designed for two motorway bridges in Denmark is not only interesting to look at. It is designed to accentuate the structures of the bridges and thus help to prevent accidents.

In recent years a number of accidents had occurred in the immediate vicinity of both newly lit bridges including a collision with the railway bridge. The V-shaped columns of one bridge create a highly unfortunate and narrow gate-like impression as they are positioned very close to the road and lean forward over it. Accidents could have been avoided if the narrowing road section under the bridge had been more clearly and suitably illuminated. An assessment of the bridge’s illumination concluded that standard road lighting would not provide illumination sufficient to overcome the complexities of the bridge’s construction. It was also decided to develop one scheme for both bridges. The developers feared that drivers would concentrate on the lighting of one bridge and not pay attention to the next one. The Danish Road Directorate, as the largest road management body in the country, is responsible for the illumination of a large part of the Danish road network, including those sections of the network which carry most motorists. The illumination of public roads has thus a significant role to play in the way motorists and local residents experience the Danish landscape and built environment. The directorate prescribes that roads should, where possible, sit comfortably with the surrounding landscape. […]

The full version of the article can be found in PLD No. 69.

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