D.C. Code § 50-921.05
Civilian crossing guards: Section 6022 of D.C. Law 17-20, as amended by section 6102 of D.C. Law 18-223, provided:
"(a) The authority to employ civilian crossing guards to perform the function of providing safe conduct of children traveling to and from school granted to the Chief of Police is transferred to the District Department of Transportation.
"(b) The Chief of Police shall transfer to the District Department of Transportation all employees, personal property, full-time equivalent position authority, assets, records, and all unexpended balances of appropriations, allocations, and other funds available or to be made available relating to civilian crossing guards performing the function of providing safe conduct of children traveling to and from school.
"(c) The time-in-grade restrictions of section 838 of Chapter 8B of Title 6 of the District of Columbia Municipal Regulations (6-B DCMR § ,838) shall not apply to any civilian crossing guard, as defined by this section, for the purpose of being promoted to the position of civilian Traffic Control Officer."