This API, principally developed for Cyclescape, is an interface to the same data used for the Collision map pages. It uses STATS19 data from the DfT.
This works on a bounding box basis, spreading the points out evenly within the bounding box:
Up to 2,000 items will be returned. If you add &limit=… you can set a different limit. The maximum limit available is 2000; if you supply a larger limit than 2000, it will be replaced with 2000.
If you add &useDom=1 the format will be GML instead of generic XML.
Notes on this API function: