These signs might not communicate what was hoped for.

On a California freeway:
Fine for Littering

On the wall of a British Columbia cleaning service:
Able to Do the Worst Possible Job

In a New York jewellery store:
Genuine Fauz Pearls

In a Kansas City oculist's office:
Broken lenses duplicated here

In a Boston fast-food parking lot:
Parking for Drive-Through Customers Only

Billboard on Florida highway:
If You Can't Read, We Can Help

On the Triborough Bridge in New York:
In Event of Air Attack Drive Off Bridge

On a Lockhart, Texas, gas station and minimart:
We're out of Rolaids, but we've got gas.

At the basketball court in a Gastonton, North Carolina, YMCA:
Anyone caught hanging from the rim will be suspended

On a Rapid City store:
Give That Bride a Good Case of Worms or Other Fine Bait

On the door of an Ellsworth, Maine, restaurant:
The Indian Trading Post will be closed for Yom Kippur

In a Grand Rapids restaurant:
Half baked chicken

In a Dayton barbershop:
During vacation of owner, a competent hair stylist will be here

On a Jacksonville, Florida, bookstore:
Rare, out-of-print, and nonexistent books

On a library in Marlboro, New Hampshire, honouring Robert Frost:
Frost Free Library