- This is somewhat tangential, but very relevant to urban design in general.
This paper shows that not only does street lighting not reduce crime, but
there is actually a positive correlation between lighting and crime.
See this figure for example:
(In a similar vein, there is also this excellent essay which was posted
here several years ago: "Shedding light on alienation in the public realm:
The case for more humane lighting of city streets" -