Ahead Stop
Permanent link to this comic: http://xkcd.com/781/
Image URL (for hotlinking/embedding): http://imgs.xkcd.com/comics/ahead_stop.png
[[Words are painted in white on a black road.]]
BACKWARD.
I READ
THINK
ENGINEERS
HIGHWAY
{{Title text: They actually started the reversed-text practice in 1973 -- not for ease-of-reading reasons, but because too many people were driving backward down the highway blasting the Star Wars opening theme.}}