LED lighting from Philips has been used to illuminate Zürich’s Hardbrücke, a bridge in the central part of the city.
The Hardbrücke project is reportedly the largest LED installation in Switzerland. The underside of the 2.3-km bridge is lit with 1750 LEDline2 luminaires. These require 25 kW for 1,654 hours a year, or 41,000 kWh/yr in total.
Going into the project, the main goal was to upgrade the lighting under the bridge and provide greater security for pedestrians. The lighting system took into consideration users of the bicycle and pedestrian paths as well as a newly laid S-Bahn rapid-transit rail line and an additional public-transportation lane.
Other benefits of the new lighting scheme include much longer service lifetime and reduced maintenance requirements.
The 40-year old bridge in the heart of Switzerland’s biggest city is the main connection between the north and the south, as well as providing connections to other parts of the country. For the approximately 70,000 vehicles that travel across the bridge daily, security and functionality are paramount.