• fine_sandy_bottom@lemmy.federate.cc
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      14 days ago

      It depends.

      On a well developed well maintained “freeway” with multiple lanes, shoulders for break downs, gentle curves, et cetera it’s common. 3 car lengths is more common here I think.

      That said, on a “highway” (interstate?) without everything listed above I aim for 2 seconds, which is about 60 metres at highway speed.