D.C. Mun. Regs. tit. 18, § 2305
2305.1 Whenever possible, pedestrians shall walk on the right half of crosswalks.
2305.2 Where a paved sidewalk is provided, a pedestrian shall not walk upon a roadway adjacent to the sidewalk, except as appropriate to avoid a risk to the pedestrian's, or another individual's, safety or health.
2305.3 Where sidewalks are not provided, any pedestrian walking along and upon a street or highway shall, when practicable, walk only on the left side of the roadway or its shoulder facing traffic, which may approach from the opposite direction.
2305.4 No person shall stand in a roadway for the purpose of soliciting a ride from the driver of any vehicle.
2305.5 Upon the approach of an authorized emergency vehicle, pedestrians shall yield right-of-way and immediately proceed to the nearest point of safety.
SOURCE: Commissioners' Order 274, 310/949, effective September 1, 1949; as amended by 17 DCRR §§ 55, 56 (October 19, 1970); as amended by Final Rulemaking published at 68 DCR 1900 (February 12, 2021).