Kent County Council will be the first local authority in England to change all of its traffic light junction bulbs, in a bid to use low-energy lights. Over the coming year, Kent Highway Services will replace 6,500 signal heads about 18,000 bulbs with light emitting diodes. The lighting contractor TS UK will be installing the new system countywide until March 2008. It will be recycling all the old bulbs and electrical equipment to comply with the Waste Electrical and Electronic Equipment Directive. The new system uses 70% less energy, lasts longer and requires less maintenance. The council also estimate that it will save £1.8 million over the next five years. Kent County Council cabinet member for highways Keith Ferrin said: The switchover to light emitting diodes is setting a positive example of environmental excellence and makes sound business sense. Kent Highway Services is showing its commitment to energy efficiency in this way.