The demand-responsive lights at Woodmill Bridge have faced months of criticism from residents frustrated by long queues, short green phases and concerns over how the system operates. But after discussions with Southampton City Council’s transport team and traffic signal engineers, it has emerged that driver behaviour could be contributing to the problem. READ MORE: Chris Packham shares dream EastEnders role he would wantThe Woodmill Bridge signals use radar and camera technology to detect waiting vehicles and adjust timings depending on traffic levels. "The traffic signals were introduced to manage queues and prioritise the busiest direction of travel — not to eliminate congestion altogether." Residents have also raised concerns about pedestrian crossings appearing to activate soon after traffic receives a green light.