Here is the link to a map of the logos in each city joho:
Atlanta: http://db.gamefaqs.com/console/xbox/file/midnight_club_3_r_atlanta.gif
Detroit: http://db.gamefaqs.com/console/xbox/file/midnight_club_3_r_detroit.gif
San Diego: http://db.gamefaqs.com/console/xbox/file/midnight_club_3_r_san_diego.gif
Have fun!
I'm baaaack...