Within 180 days of May 1, 2013, the Mayor shall post signs identifying the entire District as a strict traffic enforcement zone and warning that automated cameras are used to enforce a wide range of moving violations. The signs shall be posted throughout the District, in locations as determined by the Mayor to be necessary or appropriate.
D.C. Code § 50-2201.31
Applicability of D.C. Law 19-307: Section 401(a) of D.C. Law 19-307 provided that this section shall apply as of May 1, 2013.