How many feet?

Another weirdly specific sign.  No rounding and think fast!

Weirdly Specific Signage

I've been passing this sign for six months, and I finally just had to post it.  I find it so odd... not only is it weirdly specific (you couldn't just round up to half a mile?), but they also didn't reduce their fraction to 2/5 of a mile.

So strange.

And specific.