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May 21, 1901: Connecticut Sets First Speed Limit at 12 MPH
News – 1901: Connecticut passes the first U.S. state law regulating motor vehicles. It sets a speed limit of 12 mph in cities and a whopping 15 mph outside.
WOW!!! I wonder how they measured the speed of the car?
Lol...Thats a good question.
They had horses run alongside for calibrated distances.