P.R. Laws tit. 9, § 5403
(a) Every motor vehicle or combination of vehicles shall, at all times and under any load, have the brake system in such conditions that at a speed of twenty (20) miles an hour it will allow the vehicle to be stopped with the foot brake within the following distances:
(1) Ten (10) or less passenger automobiles, twenty-five (25) feet.
(2) Vehicles whose gross tare capacity does not exceed five (5) tons, thirty (30) feet.
(3) Single unit vehicles, with two (2) axles, with a gross tare of five (5) tons, and buses, forty (40) feet.
(4) Any other combination of vehicles, fifty (50) feet.
(b) Any inspection performed to determine the condition of the brakes of the vehicles must be done on a dry, level, paved roadway without inclines or other loose matter such as sand and gravel.
History —Jan. 7, 2000, No. 22, § 14.03; June 3, 2004, No. 132, § 14; Aug. 10, 2007, No. 107, § 8, eff. 60 days after Aug. 10, 2007.