Pace -- Yup, has become a bit convoluted, sorry if my contribution hasn't helped.
Lemain
To be honest I have not got a clue what point you are trying to make?
Can you put your argument in a few clear words?
Pace
I don't think that lighting or the lack of it was in any way a factor in this tragedy. I don't think that adding more lighting in urban areas will improve safety, I think it'll do the opposite.