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How Virginia Police Determine Speeding

According to Virginia Code 46.2-882, the speed of any motor vehicle may be determined by the use of:

  • A laser speed determination device
  • Radar
  • A microcomputer device that is physically connected to an odometer cable and both measures and records distance traveled and elapsed time to determine the average speed of a motor vehicle
  • A microcomputer device that is located aboard an airplane or helicopter and measures and records distance traveled and elapsed time to determine the average speed of a motor vehicle being operated on highways within the Interstate System of highways

 

Furthermore, these methods are admissible as evidence in court and are subject to the scrutiny of your attorney.  Proper methods of data collection and routine 6-month calibration of the equipment used must be accounted for.
If a driver requests to see the reading on a motor vehicle-based microcomputer device or laser speed determination device, the officer must grant this request; however, an office is not obligated to grant any driver’s request to see the reading on a microcomputer device on any airplane or helicopter.

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