If you like the greengrowers' apostrophe,

[Erin McKean]

There's one on Lake Shore Drive in Chicago, just at the exit to
McCormick Place:

TAXI'S ONLY.

In fact, it may be TAXI"S ONLY. I'll have to check.

Erin McKean

>you'll love the highway signers' apostrophe.  The former is, of
>course, that used for plurals in signs and elsewhere: "Fruit's and
>Vegetable's".  The latter is for the third person singular, as this
>one just spied on the on-ramp of Exit (Entrance?) 60 of the Merritt
>Parkway in Connecticut:
>
>Right Lane End's
>
>Other sightings/citings?
>
>larry