Separate names with a comma.
I've taken notes of some of the traffic / police issues in this thread, and I'll fix as many as I can in the next while.
I'll look into this. I suspect that it's working as intended, but it's trying to explicitly spawn 0 cars, due to a bad minimum.
Thanks so much for the comment! I'll look into that right now. I have to fix broken textures anyways (dumb mistake), so expect an update...