London to have traffic lights that count the number of people waiting for the ` ` green man '' known as ` ` SCOOT , '' it will adjust the walk time at lights . More people waiting at a light means they will get more time to cross the road . The SCOOT system already regulates London 's traffic flow and has cut it by 50 % .
London to trial traffic lights that count the number of pedestrians waiting for the `` green man '' Known as `` SCOOT , '' it will adjust the walk time at lights . More people waiting at a crossing means they will get more time to cross the road . The SCOOT system already regulates London 's traffic flows and has cut delays by 12 % .