Both phrases convey the idea of being confined due to legal reasons, but "go to jail" highlights the action of being sent there, while "behind bars" focuses on the state of being imprisoned. Jan 19, 2013google ngram viewer (for the "british english" corpus) shows that gaol was more popular than jail until the mid-19th century, that the two words were used with broadly similar frequency from. Apr 14, 2011if a player picks up a card that tells him to go to jail, the card stipulates that the player's piece goes directly to jail, and stating that you do not pass go and do not collect $200.