Many state roads post minimum speeds as well as maximum speeds (usually it's 40 ...

		Frondo on Sept 5, 2019 \| parent \| context \| favorite \| on: Tesla’s Autopilot found partly to blame for 2018 c... Many state roads post minimum speeds as well as maximum speeds (usually it's 40 or 45 mph, where the maximum is 65mph or 70mph), because there is in fact such a thing as driving dangerously slowly.