And then, there is the most curious artifact of the query: the word "patched." In the lexicon of software, a patch is a fix. It is a piece of software designed to update a computer program, to correct errors, or to bypass security protocols. But what does it mean for a PDF to be "patched"?
: In-depth coverage of traffic control devices, road markings, street lighting, and intersection design for safety and capacity. And then, there is the most curious artifact