99. Disregarding the rule of the road. - No person shall-
(a)when driving a vehicle along a street and except in cases of actual necessity or of some sufficient reason, for deviation, fail to keep on the left side of such street and when passing and other proceeding in the same direction fail to keep on the right side of such vehicle; orLeaving cattle, etc. insufficiently tended(b)leave in any street or public place insufficiently tended or secured any animal or vehicle.
