Among the many unique customs in Puerto Rico, an unusual rumor circulates among tourists regarding driving etiquette: that whistling while behind the wheel is prohibited. This notion appears to stem less from any formal traffic law and more from local lore and misunderstandings. In some Puerto Rican communities, whistling outdoors, especially near roads or at night, can be viewed with suspicion or linked to superstitions about invoking bad luck or attracting unwanted spirits. Tourists unfamiliar with these cultural nuances might interpret advice about ‘not whistling while driving’ as an official ordinance. However, no current Puerto Rican traffic laws explicitly ban whistling while driving or operating a vehicle. This example highlights how cultural beliefs and informal local customs can sometimes be misread by visitors as codified rules, leading to amusing tales and cautious driving behavior. Whether or not one hears a honk or a whistle, safe and respectful driving remains the universal priority in Puerto Rico.
Source / verification note
Based on local anecdotes and cultural observations; no formal law found.