Are you in a speed trap waiting to pull over an unlucky soul? Hahahahaha.
Data performance is always YMMV. I can run a test and get 2.00 down then I can rescan again in the exact same spot immediately and get .84 down. YMMV.
Understand that data speed depends on a number of variables ranging from your phone itself to your specific location at the time of testing and several others...so just because one person gets a certain speed, doesn't mean you'll get that same speed (or be limited to that same speed).
In my specific case, right now...sitting in a parking lot in my cruiser with 3 bars of service, i'm looking at the following speeds on the 3G network (approx. 30 miles outside of Atlanta to the north):