Notice: EVERY achievement requires you to complete it without closing the game. This means, that you must satisfy this achievement's requirements without every closing the game, exiting to the main menu, or picking up the retirement fund. It is important to disable auto updates on your PC, especially for this one.
Time requirement: Unknown. (Likely ~435 hours)
For this achievement, you can just simply stop your bus in the middle of the road and idle until the achievement pops. The achievement is rewarded for spending more time than it took to program the game. This value of time is unknown, but it's likely to be around 435 hours. Once you satisfy this requirement, the achievement will pop.