In article >, DYM wrote:
> All these references to the MUTCD and speed regulations got me to
> actually read (parts so far) of the manual.
>
> In section 2B.13 Speed Limit Sign (R2-1) under the heading Option B:
> The pace speed.
>
> What is the pace speed? How is this defined?

Found it...

http://mutcd.fhwa.dot.gov/HTM/millen...UTCD_part1.htm

75. <...>
f. Pace Speed.the highest speed within a specific range of speeds that
represents more vehicles than in any other like range of speed. The range
of speeds typically used is 10 km/h or 10 mph.

So basically, it's the peak portion of the bell curve distribution.