Contesting a speeding citation requires more than claiming you were driving safely. Successful defenses target the technical reliability of speed measurement devices, operator certification, and statutory highway survey requirements.
1. Discovery Requests for Device Calibration Logs
Police radar and LIDAR (laser) units require regular tuning-fork tests, internal diagnostic checks, and periodic laboratory calibration. Requesting calibration records through formal pretrial discovery can expose uncalibrated instruments.
2. Challenging Visual Pacing and Line-of-Sight
When an officer cites pacing rather than radar, you can challenge speedometer accuracy, following distance, traffic congestion, and whether the officer maintained a constant distance over a legally sufficient stretch of road.
3. Engineering and Traffic Surveys (Speed Traps)
In states like California and Ohio, speed limits on non-residential roads must be supported by an up-to-date Engineering and Traffic Survey (ETS). If the city failed to perform a required 5-to-10 year survey, the citation may constitute an illegal speed trap under state statute.