Although cycling is not an inherently unsafe activity, it remains the case in the UK that collisions and casualties are much higher than they should be, because of the lack of good cycling infrastructure and legal provisions to protect those who cycle.
This map and the search query facility shows the locations and details of collisions since 2005. It uses STATS19 data from the DfT.
We also have a data interface (API) available for programmers.
Move the map near: