Photo speed monitoring devices; photo-monitoring systems for traffic signals, proof of violation.

The document header was updated from 'Enrolled' to 'Transportation Substitute' to indicate the bill is now a substitute version offered for consideration by the Senate Committee on Transportation.

Formatting elements were added, including page numbers, draft status indicators, and committee attribution lines that were absent in the original enrolled text.

The text was restructured to include line numbers and spacing typical of a legislative draft, while the substantive legal language regarding training standards and traffic enforcement remains identical to the original version.

Added § 46.2-844 to the list of sections being amended, extending the bill's authority to cover school bus video-monitoring systems.

Changed the bill title to refer to 'registered conservators of the peace and technicians' instead of just 'registered conservators of the peace', clarifying the role of technicians in the certification process.

Added a requirement that retired sworn law-enforcement officers and registered conservators of the peace must complete a specific training course developed by the Department of Criminal Justice Services to certify violations recorded by photo speed monitoring and traffic signal systems.

Set a deadline of July 1, 2027, for the Department of Criminal Justice Services to develop and approve the required training course.

Removed introductory text indicating the bill was 'Introduced' and prefilled, replacing it with standard enrolled legislative formatting.