By the look of those pictures, this line doesn't describe the area correctly...Possibly to incite fear? THis looks like a business section and not in a very busy one at that.
From the looks of it, that's the warehouse area just outside the tunnel, right around the various access roads.
It's about as mobbed-up as any area in the state, and that's saying something in this state. If you blow up building down there, the streets would likely be littered with the corpses of people who died in the 1970s.