Amended by 2005 N.C. Sess. Laws 27, s. 1, eff. 5/9/2005.Added by 2003 N.C. Sess. Laws 0280, s. 2, eff. 7/1/2003, exp. 9/30/2007.G.S. 160A-300.4, as added by 2003 N.C. Sess. Laws 0280, s. 1, eff. 7/1/2003, applies to the City of Charlotte only, and the photographic speed-measuring systems may only be used in specified corridors.