There are times that you don't even expect it and you get pulled over. You can't think about why you were pulled over and find that you are speeding. You see how fast you are accused of going and it doesn't make sense according to your speedometer.
Very well your speedometer could be uncalibrated giving off the wrong speed. You may have been driving too fast for quite some time unaware.
There is a simple speedometer test that you can do yourself. Find an area with mile markers and drive for 5 miles going 60 miles an hour according to the speedometer. If it took you less than 5 minutes than you speedometer is showing a much lower speed than you actually are going.
From here it's important to get a speedometer calibration at an auto shop. Once the speedometer is fixed get a certificate or form from the auto shop showing that your speedometer was indeed broken. It needs to be something somewhat credible as opposed to a scribbled note.
Go to court and show this to the judge showing that you were not intentionally speeding as your equipment wasn't fully operational.
Two things will normally happen. You may get a lower ticket for your speedometer being broken having the other ticket thrown out. You may also get the ticket reduced to a much lower offense. You could even be lucky enough to have the ticket thrown out entirely.
If you find your speedometer was accurate, there are other ways of fighting the speeding ticket in court.
