Generally, after the police officer has testified, is off the stand, and has left the building. The goal is you don't even want the opportunity for him to "correct" his ticket/testimony.
Thank you, that is actually very helpful.
I have two additional question:
1. Is his deposition statement legally binding in any way ? If I request his deposition again in discovery and the section/subsection error appears again just as it did on the deposition given to me with my ticket, will that somehow make my case for dismissal stronger?
Otherwise, what's the point of a supporting deposition (which I believe constitutes a sworn affidavit) if it can be redacted or "corrected" upon cross-examination. Again, I could understand if it was a clerical error related to a spelling mistake, as that would be related to unknown information being copied, but charging someone with the wrong violation? It would be an incredibly scary precedent for a court to even consider such a ticket, because any civilian that does not look up their specific code violation may actually end up pleading to a far more severe charge. For example, if the officer wrote 1170D instead of the correct 1160D(in my case he wrote the incorrect 1166B), I would be pleading to the very serious misdemeanor charge of failing to obey the sign indicating the approach of a train, and blocking the path of an incoming train.
2. At the hearing, I expect the prosecutor to ask the officer to describe his version of the story first, and then rest. Should I even bother to question the officer about the location of the sign, its visibility, inability to change path of travel, or should I just try to get him off the stand as soon as possible?
As I have already stated, this is my first traffic infraction, first offense of any type, first interaction with any criminal court system in the U.S., and even my first traffic stop as the driver of the vehicle. I have experienced traffic stops as a passenger several times in the past, with my parents, older brother, and friends, in my town where I have lived for decades, and every single time the local LEOs were courteous and more-or-less understanding, and believed a verbal warning was sufficient even in cases of speeding or other more serious infractions. In my case, the officer was polite but when he handed me the citation, it was such a complete surprise that it felt like someone knocked the wind out of me. Basically a part of me keeps feeling like I did something else wrong during the stop (even though I have already been called paranoid for being overcautious haha) that made the officer more likely to issue a citation. Also, I realize my view of the judicial justice system may be too idealized, but I am going to hope for the best.