Gstaad

VA3_9298, originally uploaded by gugs.

A residential/commercial area sign in Gstaad, Switzerland. Speed is limited to 20 km/h, a speed not so easy to stay under with a modern car...

Construction

sgp 2008 23, originally uploaded by gugs.

this is in Singapore, to indicate a construction site... (seen on Orchard road)

Deer

DSC_45830775 Quebec 2005, originally uploaded by gugs.

This is a kind of "deer hunting" sign... found in Quebec province, Canada, some people tried to shoot the "animal", you can see the impacts...

one way

sens unique, originally uploaded by stef_dit_patoc.

Another suggestion from a member of Nikonpassion, "Patoc".
This is a French one way sign, "not on Tuesdays from 7:00 to 14:00"...

Tchad elephants

Panneau insolite !, originally uploaded by jacdesalpes.

This is an interesting board in Tchad. The text is in French:
"Attention, passage d'éléphants trous dangeureux"
meaning "Warning: elephants crossing, dangerous holes" with a typo in dangerous...
Proposed by "jacdesalpes", a French photographer member of Nikonpassion and Flickr websites.

Stop in Hong Kong

Hong Kong 059, originally uploaded by gugs.

A classical and universal one, Chinese version.

Train

F5 test 03, originally uploaded by gugs.

I always found this one funny. It is still used in Belgium to warn about trains crossing a road. The only thing is that steam locomotives retired 40 years ago to be replaced by Diesel and Electrical ones all over the country.