The number of car drivers fell from 137,000 in 2000 to 64,000 in 2014, while those of cyclists trebled from 12,000 to 36,000 over the same period.
TfL says the shift away from private cars to public transport and walking and cycling in London over the last few years is "a feat unprecedented in any major city".
Big changes are now happening on the streets of London in a bid to make cycling safer.
The capital's longest and newest segregated bike lane has just opened across Vauxhall Bridge. Others will open by the summer.
You can view TfL's Travel in London Report here.