House committee substitute to 2nd edition makes the following changes.

Limits the scope of new GS 160A-499.6 to the cities of Burlington, Greensboro, Greenville, and Winston-Salem (previously proposed to be generally applicable statewide). Modifies the statute to refer to "civilian traffic investigators" (previously referred to as "civilian investigators" or "civilian traffic crash investigators"). Makes conforming changes to GS 20-166.1 and the directive requiring the NCJA to develop a training program for these investigators. Adds reporting requirements for cities authorized to employ civilian traffic investigators to report to the specified NCGA committee by February 1, 2026, on the training and use of civilian traffic investigators. Details required content of the reports, including the number of investigations performed and the cost to the city of the program.

Makes the act effective July 1, 2023, and sunsets the act on June 30, 2026 (was, effective on the date the act becomes law, with no sunset provision). Makes conforming changes to the act's titles.