D.C. Mun. Regs. tit. 18, § 4021
4021.1 The streets and portions of streets listed in this section have unbalanced traffic lanes, and traffic shall use the number of lanes in the direction indicated during the times indicated.
SOURCE: 17 DCRR § 40.107, Special Edition (September 28, 1970); as amended by Final Rulemaking published at 48 DCR 5832 (June 22, 2001).