Siemens has completed a major upgrade of Manchester’s traffic signal system, with the replacement of a total of 52,000 traditional traffic signal bulbs with longer-lasting and energy saving LED lights across more than 1,800 sites, resulting in energy savings of US$1.26 million and maintenance savings in excess of US$505,000.
The upgrade programme has reduced monthly energy usage from 1,000,000 KW/hr in March 2012 to 480,000 KW/hr in February 2014. The new traffic signals also benefit the environment thro