D.C. Criminal Code § 801

(1)Any person operating a motor vehicle must; (a) drive on the right and pass on the left - if a two way road has a center marking, they must stay to the right of it unless overtaking or maneuvering past an obstacle in the road; (b)when making turns, changing between lanes on a one-way road, or overtaking on a two-way road, in a vehicles fitted with indicators, they must use them to signal other road users of their intention to make a turn; (c) show courtesy and respect to other motorists whilst operating their own vehicle; and (d)stop their vehicles upon the presence of a red traffic light or stop sign. Any failure to follow these shall be guilty of violating standard traffic rules. (2)This is a Class G offense.