The Director of Public Works is authorized to establish and designate certain sidewalks or portions of sidewalks within the City as combination sidewalk/bike lanes where such action is appropriate in light of the conditions of the adjacent roadway and vehicular and pedestrian traffic. The regulations set forth in Section 10.48.040 shall apply to the operation of a bicycle on a combination sidewalk/bike lane. (Ord. 1059 § 2, 1982).