Loren, I'm pretty sure that the formula of 1 car length for every 10 miles
an hour is all about variations in speed.

On 10/16/06, Loren Busch <starwagen@gmail.com> wrote:
>
> Currently they teach 2 to 3 seconds separation.  This is much easier to
> judge on the road and takes into account variations in speed.
> As a side note on this Washington State, a couple of months ago, tried
> this trick to 'help' drivers.  On a section of I-5 that is heavily traveled
> they put big white dots on the road as separation markers.  Two marks
> between cars at 60 mph.  Worked fine for a couple of days, then heavy
> weekend traffic came along.  As traffic slowed down drivers still tried to
> keep two dots apart.  Caused an awful backup that day.  The dots were gone a
> couple of days later.
>
> On 10/16/06, Jake de Villiers <crescentbeachguitar@gmail.com> wrote:
> >
> > I believe it was one car length for every ten miles an hour.
> > Can be difficult in major urban areas!
> >
> >
>
>
>

--
Jake
1984 Vanagon GL
1986 Westy Weekender "Dixie"
www.crescentbeachguitar.com