The Flickr gallery includes build notes that prove this isn't just a bunch of die cast cars set around some model buildings.
Michael Paul Smith:
I constructed this garbage truck out of styrene sheets and tubing, using plans I found in a book that followed the history of garbage trucks. It was fascinating reading.Michael Paul Smith's Village (via thingsmagazine.net)
The frame and cab was from a Danbury Mint 1951 White truck.