Although some of those ghost streets were simply city projects gone wrong (ran out of money/support), so only some errors on maps are traps. There is one (some

Although some of those ghost streets were simply city projects gone wrong (ran out of money/support), so only some errors on maps are traps. There is one (somewhat) famous example of a trap, in the placement of two fictitious towns in Michigan, Goblu and Beatosu (this being back in the day of their rivalry).