A Chicago demographic profile of North and South Sides

Metra coming from the North Side to the Loop:

Passengers: Doctors, lawyers, accountants, veterinarians, counselors, and bank executives – Generally energetic, and in good health.
Advertisements: Cars, vacations, and clothes.

Metra coming from the South Side to the Loop:
Passengers: Construction workers, hotel workers, secretaries, and security guards – Generally lethargic, and overweight. 
Advertisements: Sports, bank loans, and home foreclosures…