Siemens launches one-watt traffic signal

Siemens claims to have improved the energy efficiency of traffic lights by more than 85 per cent by using what it calls one-watt technology. The first pilot projects are already running in Bolzano, Italy and Bietigheim-Bissingen near Stuttgart in Southern Germany.
July 1, 2016 Read time: 1 min
Siemens launches one watt traffic signal

189 Siemens claims to have improved the energy efficiency of traffic lights by more than 85 per cent by using what it calls one-watt technology. The first pilot projects are already running in Bolzano, Italy and Bietigheim-Bissingen near Stuttgart in Southern Germany.

According to Siemens, a typical intersection with bulb-based technology and around 55 traffic signals (red, amber and green) can now avoid more than 6,000 kilograms of harmful carbon emissions a year. One-watt technology uses digital LED driver modules, which Siemens says eliminates the need for load resistors and switching elements in the signal light units which consume most of the energy.

Compared with the 60 watts sometimes consumed by incandescent bulbs, the electricity required by individual traffic light signals can be cut to just one or two watts. State-of-the-art LEDs with extremely low power consumption still retain full light intensity, while the one-watt light units also reduce service costs.

Urban Traffic Control

For more information on companies in this article

Related Content

  • Siemens Mobility project uses rerouting to improve air quality in Munich
    February 25, 2019
    Up to 40% of drivers are willing to help reduce air pollution when provided with alternative routes on ThinxNet’s Ryd platform, says Siemens Mobility. The partners worked with air quality specialist Hawa Dawa in a four-week project in Munich to prove that intelligent traffic control can help cities become more sustainable. Siemens says initial results for more than 1,600 drivers in the German city showed savings of 83 kg of carbon dioxide and 114 g of nitrogen oxide as well as a reduction of 633km driven
    Read More
  • Swedish drivers support speed cameras
    March 17, 2014
    In sharp contrast to many other countries drivers in Sweden support speed cameras and the planned expansion of the automated enforcement network. Sweden is embarking on a massive expansion of its speed camera network and is doing so with both a very high level of public acceptance and without its drivers feeling persecuted; a feat the administrations in many other countries would like to emulate. So how did this envious state of affairs come about? Magnus Ferlander director of business development and ma
    Read More
  • UK not prepared for growth in EV use, think tank warns
    April 25, 2017
    A new report by independent think tank the Green Alliance claims that the UK government will have problems if energy systems are not improved to take account of developments in solar panels, onshore wind, electric vehicles (EVs) and battery storage. It says people are increasingly choosing to be energy owners and are able to take back at least some control over energy production. The report states, “Politicians are arguing over whether or not to subsidise renewables without seeing how technology has changed
    Read More
  • How intelligent video security supports smart mobility
    April 1, 2021
    The ease of getting from point A to point B, the effective movement of goods and services, and the flexibility and integration of various modes of transportation are key aspects of mobility today. Jayden Xu, senior manager, ITS Solutions, at Hikvision, details the role of intelligent video security technology for improved traffic management
    Read More

Highlighted Content