Priority of PCB lines routing

Here is an order I think is a good practice to route lines on a Printed Circuit Board (PCB).

1) Differential lines and other very important signals
2) Multiple parallel signals (such as those coming from a CMOS camera)
3) Long distance signal lines
4) Short distance signal lines (let’s say from one Resistor to the other)
5) Power lines
6) Ground lines

The first is the most important while the last in the least important.


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