Dan Prozinski <[EMAIL PROTECTED]> wrote:
> The logic of the zipper merge:
> - when all available lanes are used, the traffic does not back up as
> far to the rear
> /snip/
all true benefits. Another one is the lower likelihood of "stutter-start"
(I think traffic engineers have another more technical term). That's the
phenomenon where you see a car entering a lane causing the car behind to
stop ... and a chain reaction of stopping cars.
It actually takes longer for that "chain" to resume pace due to slower
start-up times and differing intervals between cars. The "zipper method"
permits the chain of vehicles to maintain a self-regulating pace (provided
"everyone plays nice" at the merging point).
Rick Mons
Tanglewood - Shoreview
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