“You must be a pirate for the pirate’s code to apply. The code is more what you’d call “guidelines” than actual rules. Welcome aboard the Black Pearl, Miss Turner.” Captain Hector Barbossa, Pirates of the Caribbean
Keeping with the spirit of Captain Barbossa, shown below are some general model railroad design “best practices”. Nothing is absolute, but utilizing these values, in general, will serve as a starting point and keep you out of trouble.