If the situation described is a violation handled by the traffic police on the spot, it will only be handled in Lanzhou, where the violation occurred. This is based on the "Procedures for Handling Illegal Acts of Road Traffic Safety": "The illegal acts discovered by traffic police in law enforcement on duty shall be under the jurisdiction of the traffic management department of the public security organ where the illegal acts occur."
If the situation described is that it is illegal for the monitored equipment to take photos to collect evidence, it can be handled in Xianyang or Lanzhou. This is based on the stipulation in "Procedures for Handling Illegal Acts in Road Traffic Safety": "The illegal acts recorded by traffic technical monitoring data can be under the jurisdiction of the traffic management department of the public security organ at the place where the illegal acts occur, where they are discovered or where motor vehicles are registered."