Please Slow Down on CS3 - Head on Crash

This section of CS3 (East/West Cycle Superhighway) is one of the narrowest, yet it doesn't stop some people from riding too fast and trying to overtake at busy times. This crash happened so quickly that I didn't really see what happened at the time, it was only when I sat down and looked at the footage that I saw that it was the overtaking cyclist that effectively caused it by going too fast and trying to overtake into oncoming cyclists. What was very worrying was that one of the cyclists travelling in the opposite direction ended up on the main carriageway. Fortunately for him the phasing of the lights meant that the traffic had been held back, otherwise we could have been talking serious or fatal injuries has a lorry or coach been coming along. PLEASE PLEASE SLOW DOWN AND DON'T OVERTAKE UNLESS IT IS SAFE TO DO SO. EDIT: Some commenters have asked about the people involved in this, and whether they were badly hurt. The female cyclist that caused this chain of events had a swollen finger, grazed and maybe