Probable Cause Speeding Stop

With the advancement of technology, more police departments are using technology to their advantage concerning  probable cause traffic stops (Tate) in relationship to speed measuring devices such as radar, laser/lidar, pacing, gap timing and traffic control devices (stop signs, traffic lights and pavement markings).

In essence, the police officer uses attempt to comply with the fourth amendment of the Constitutional;  probable cause traffic stop and/or reasonable suspicion.

In order for the best possible defense against a probable cause traffic ticket (Tate), the correct expert / expert witness must be retained.  That expert witness should have qualifications such as being a certified instructor in speed measuring devices as

well as being efficient in traffic control devices  as well as being an engineer.