The Pavement Condition Index (PCI) is an example of an engineering approach applied to existing pavements. Another example is the use of a falling weight deflectometer (FWD) to non-destructively test existing pavements.
The Pavement Condition Index (PCI) represents an engineering technique applied to existing pavements. Likewise, employing a falling weight deflectometer (FWD) for non-destructive pavement testing is another example of such methods.