California Code
CHAPTER 5 - Pedestrians Rights and Duties
Section 21959.

21959. It is unlawful for any person to ski or toboggan on or across any roadway in such a manner as to interfere with the movement of vehicles thereon. A person on skis proceeding on or across a highway at a pace no greater than a walk is not within the prohibition of this section and shall be considered to be a pedestrian with all the rights and duties thereof as prescribed in this code.

(Amended by Stats. 1972, Ch. 46.)