BBC News reporters joined London ambulance paramedics to get an insight into a typical day on the city's roads, while we also looked at what happened in the control room.
It was a relatively quiet day on London's roads with about 65 call-outs and no life-threatening injuries treated. On a typical day, there are an estimated 100 casualties.
The capital's ambulance crews and paramedics treat the majority of those injured at the scene but take some of them to hospital.
A live map of call outs to collisions and road accidents across London was compiled.
