Your attorney may also question whether the police cruiser’s speedometer/odometer has been calibrated within the past six months, rendering it accurate when attached to the VASCAR unit. Your Florida traffic attorney may challenge a VASCAR reading of less than 500 feet or a reading taken at a distance greater than 1,500 feet (under the theory that the officer may not have actually seen you pass the second marker point). Operating a VASCAR unit is not all that easy to perform accurately. The VASCAR unit is generally connected to the odometer of the police cruiser, which allows the officer to use the unit while moving. Once the officer sees a “target” vehicle pass point A, he or she pushes a button to start the electronic stopwatch, then pushes it again when the vehicle passes point B. The distance between two points is first measured. The VASCAR unit requires significant levels of human input, upping the chances of a mistake. VASCAR (Visual Average Speed Computer and Recorder) is basically little more than a sophisticated stopwatch coupled with a calculator.Particularly if your vehicle happens to be a very common make and model, the aircraft officer may have mistaken another car for yours. Finally, your attorney may question whether it was really your car that the aircraft officer kept in his or her sights the entire time, as it can be difficult to stare at an object continuously from an airplane for 48-60 seconds. If the aircraft officer hesitated even briefly prior to pushing the timer as you passed the first marker, the reading would not be accurate. Your attorney may also challenge the aircraft officers reaction times related to stopwatch error. The advantage you may have at your court appearance is that both officers are required to appear, or your attorney may ask that your case be dismissed. The ground patrol officer will verify your speed independently, then will pull you over and write your speeding ticket. If the aircraft officer determines you are speeding, ground patrol is radioed. The aircraft officer calculates your speed by determining-via stopwatch-how long it takes your vehicle to go from point A to point B. Aircraft speed detection is generally used on open roadways where two fixed points have been pre-determined, rather than in heavy traffic or in a city situation.
Speed reader for car full#
Finally, the officer who paced your vehicle has to have stellar multi-tasking skills after all, he or she must maintain a constant distance from your vehicle, must watch the odometer to ensure the full two-tenths of a mile have been covered, must watch the cruiser’s speedometer to determine your speed and must be aware of all other traffic on the road during the entire process. If there is a significant amount of traffic, it can be hard for the officer to keep your taillights in clear view. Pacing at dusk or nighttime is much more difficult than in daylight, as the officer’s visual cues are nothing more than your taillights. If the road you were traveling on is full of hills, curves, traffic lights or stop signs, you may also be able to show the officer did not pace you for enough time. If you are aware the officer was close enough behind you to be seen in your rearview mirror for only a short distance, your attorney may be able to use this fact to your advantage at court. The officer must keep a constant distance between the cruiser’s front bumper and your back bumper, which requires both training and good depth perception. First, many officers attempt to stay a substantial distance behind the suspected speeder in order to avoid detection, however pacing is only accurate at a closer distance. There are inherent problems associated with pacing.
Most officers will try to follow the suspect for even longer than two-tenths of a mile as a method of avoiding having the ticket dismissed.
California forbids radar on some roadways, and has outlawed VASCAR, etc. As an example, Pennsylvania only allows state police (not local law enforcement) to operate radar. While there is essentially only one way to speed, the ways to detect your speed are numerous, however not all methods are allowed in all states.
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