Pavement Marking Cleaning System

A system for using a cleaning fluid to clean markings on a hard surface, the system comprising:

• a cleaning hood operably mounted on wheels for movement across the hard surface with the cleaning hood positioned immediately above the hard surface;
• a set of a plurality of cleaning arms of a selected length, the cleaning arms mounted for rotation under the cleaning hood and defining a cleaning area swept by the cleaning arms;
• a plurality of nozzles, each nozzle mounted on one of the plurality of cleaning arms;
• a cleaning fluid connection carried by the hood, the cleaning fluid connection configured to fluidly connect the nozzles and cleaning arms to a cleaning fluid supply;
• a vacuum connection carried by the hood, the vacuum connection configured to apply vacuum from a vacuum pump to remove contaminated cleaning fluid from the hard surface to a waste fluid storage tank;
• a second set of a plurality of cleaning arms of a second selected length, wherein the plurality of cleaning arms of a selected length may be replaced by the second set of cleaning arms of a second selected length, altering the cleaning area swept by the cleaning arms;
• and
• a flexible skirt secured to a periphery of the cleaning hood, the flexible skirt extending downward into at least partial contact with the hard surface.