Yes, that *is* a real speed limit sign. What was that about breaking the law about speed limits again? Yes, that *is* a real speed limit sign. What was that about breaking the law about speed limits again?The size of this was unnecessary to make your point. But, some people enjoy yelling at others. What is this? A speed limit sign from the state of Montana (the speed laws of which were repealed)? Nowhere that I’m aware of now has a posted speed limit that states “Reasonable & Prudent” as the courts decided that was not enforceable or reasonable.