Today’s urban streets have, in many cases, encountered 20, 30, even 40 years of wear and tear. Over the decades, the nature and amount of traffic passing on these streets has changed dramatically, making the need for a smoother, safer ride even more crucial. Replacing or overlaying deteriorated pavement can be time- and cost-prohibitive, but there is another option: Concrete Pavement Preservation. (CPP). CPP is a series of engineered techniques developed over the past 40 years to rehabilitate concrete pavement.