Worst-Case Scenario

 The use of possessive apostrophes in place names in Birmingham on road signs: 

Australia's reasoning for dropping the possessive apostrophe is very relevant, since they argued that with the emergency services using computer databases there was a need for nationwide consistency. It would be tragic if the ambulance couldn't find your street, if you forgot to include the possessive apostrophe when calling 999.

What kind of computer system wouldn't catch all possible variants of place names, whether you type the apostrophes or not? Ah, a Government-built one..