[s3ctor8]

These diagrams were based on some provided by TFL in response to a Freedom of Information request. They redacted areas where "disclosure of the information requested would be likely to adversely affect the safety and security of TfL employees and members of the general public." [0]

[0] https://www.whatdotheyknow.com/request/maps_of_public_corrid...

[redbar0n]

Fantastic! That means they at least have made _some_ ethical editorial decisions, and didn't conform to some naïve conception that all information should be widely publicized regardless of the potential for adverse effects.

[brippalcharrid]

It also means that one could make one's own survey, and then compare the differences between it and the publicly-available maps, which may highlight potential points of interest.