P.R. Laws tit. 9, § 2703
On highways where the use of vehicles drawn by animal power is allowed, the animals shall not travel at a gallop or alongside other similar vehicles or pedestrians.
Every horseback rider who travels on a highway shall have a safety device on his clothes, or attire, or on the saddle or gear of the horse, for his own protection and that of the horse and the drivers of vehicles, which shall be established by the Secretary through regulations.
No more than three (3) head of cattle or horses shall be led abreast on the highways, and no person shall have more than nine (9) animals in his care.
When crossing the highway while leading cattle or animals from one farm to another, the traffic shall be warned by means of a red flag before letting the animals go across and both sides of the highway shall be watched until all animals have crossed.
If a large number of animals is to be crossed, the crossing shall be interrupted every five (5) minutes to allow the vehicles to pass, and all necessary indications shall be made to warn the drivers about it. Passage along the highway shall not be more than one hundred (100) meters in width and the owner of the animals shall be liable for any damage caused to the sidewalks and ditches.
The persons leading the animals along the highway and the owners that knowingly permit it in violation of the provisions of this section, or riders who do not use any safety device on their clothes, attire or the horse’s gear as provided by the Secretary through regulations to such effect, shall be guilty of a misdemeanor, and upon conviction shall be punished by a fine of not less than fifty dollars ($50), nor more than one hundred dollars ($100).
History —May 30, 1973, No. 54, p. 135, § 7-03; July 20, 2000, No. 121, § 1.