Signage can be hit or miss out in the real world. Disc golf courses in particular display a wide range of information from excellent to nonexistent. Check out this recent article in discgolfer magazine.
#17, Cedar Hills DGC, Jack Brooks Park, Hitchcock, Texas 
#3 long, Evergreen Park, Baytown, Texas 
#7 Millstream DGC, Saint Cloud, Minnesota 
#3 short, Evergreen Park, Baytown, Texas 
#7 Sportsman Park DGC, Clearwater, Minnesota Old Post Gold #13
