§21–1205.

    (a)    Each person operating a bicycle or a motor scooter at a speed less than the speed of traffic at the time and place and under the conditions then existing on a roadway shall ride as near to the right side of the roadway as practicable and safe, except when:

        (1)    Making or attempting to make a left turn;

        (2)    Operating on a one-way street;

        (3)    Passing a stopped or slower moving vehicle;

        (4)    Avoiding pedestrians or road hazards;

        (5)    The right lane is a right turn only lane; or

        (6)    Operating in a lane that is too narrow for a bicycle or motor scooter and another vehicle to travel safely side by side within the lane.

    (b)    Each person operating a bicycle or a motor scooter on a roadway may ride two abreast only if the flow of traffic is unimpeded.

    (c)    Each person operating a bicycle or a motor scooter on a roadway shall exercise due care when passing a vehicle.

    (d)    Each person operating a bicycle or a motor scooter on a roadway may walk the bicycle or motor scooter on the right side of a highway if there is no sidewalk.