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[quote=Anonymous][quote=Anonymous]Safe distance varies by speed. Usually 2.5 car lengths for speeds under 50 mph is enough for me to stop on a dime if the car in front stops. 3.5 car lengths or more if I’m going faster or inclement weather or sunshine.

If I’m maintaining 3 car lengths in fast moving traffic I’m maintaining the same speed as the car in front of me, lessens the urge for others to cut in, and I’m paying attention to at least all 3 cars ahead of the car in front of me if one of those guys brakes, I slow down before the car in front of me brakes

Someone mentioned Teslas up thread, they can stop without braking! It’s a single pedal driving system [/quote]

LOL.  40 mph means your car travels roughly 60 feet in one second.  The average car length is 15 ft, so 2.5 car lengths is 37 feet.  You have less than a half second to stop without hitting the car in front of you.

Recommended following distance is 3 seconds (the time it takes you to reach a landmark after the car in front of you). We learned this in Maryland driver's ed in the 1990s.[/quote]

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