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When i was 13 bill Clinton told me 1 car length per every 10mph i was traveling at. Ive been following that advice ever since
5 points
And I know it’s state dependent, but the highways by me, each white line is about one car and each gap is one car, so if you’re doing 50, having two to three white dashed lines between you and the car in front of you is probably good.
3 points
Fun fact: In most states, this length is 40ft, but there are some exceptions, like CA, where it’s 24ft or 48ft depending on the road.
3 points
