How It Works

How is London’s traffic network controlled?

Smoothing London’s traffic takes a lot of coordination between Transport for London, the London boroughs, and the capital’s 6,000 traffic signal sites. The London Streets Traffic Control Centre, managed by TfL, works to manage traffic flows across the capital. By reducing the duration of unplanned congestion in real-time, TfL can ensure that London’s roads remain clear of obstructions, helping cars, buses, cyclists and pedestrians travel more smoothly.

Traffic lights are regularly reviewed to improve efficiency at junctions and intelligent technology has been introduced at more than 2,000 sites to allow traffic lights to monitor traffic levels and adjust their own timings accordingly. More than half of the traffic signals in London can be directly controlled by the Traffic Control Centre, enabling TfL to better manage traffic across London.

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