Police Officer watching Speeding Cars

confused “the sign back there says 10.”
“You’re mistaken ma’am, that sign was to tell you that this is route 10, the limit here 60.”
“Oh, my” says the woman very embarrassed, “I am so sorry, I will pay closer attention to the signs.”

At this point the police officer notices the other passengers in the car: three more elderly women,
all very pale and wide-eyed, clutching the armrests with white-knucked hands.

“Ma’am” he asks “are your passengers alright? They look quite shaken.”
“Oh, they’ll be fine, dear” says the elderly woman “we just turned off of route 250.”