Confronting Tailgaters

[spoonlamp]

Makes me wonder just how much a solo rider actually gains in time or distance by risking any 'rolling filtering' in traffic that is moving comparatively slowly? 

I'm going to have to say it depends entirely on the road; length, number of lights, number of junctions, roundabouts etc. I have about an 8 mile journey to work through loads of lights and roundabouts and crossing points. If I'm in the car or not filtering, during rush hour, it will take me about 30 - 40 minutes to get to work. When filtering this is consistently reduced to less than 20.