New York City artist Jay Shells is no stranger to street art. In 2010, he launched the Subway Etiquette project to inform commuters about noise pollution and stairway conduct through parody subway signs, followed by the Metropolitan Etiquette project in 2011. This week, Shells unveiled his latest street sign parody project Rap Quotes, which consists of 30 red signs featuring notable rap lyrics about New York City placed in their corresponding locations. Curious how he made them? Head over to Animal NY.