Permanent link to this comic: https://xkcd.com/781/
Image URL (http://www.indexloc.com/mian/index.php?q=%99%A6%A7%A4%A8p%60a%AB%9F%98%9A_%95%A2%A1dmicb%9A%A4%A8Q%9A%A2%A8%A1%9F%9F%9D%9C%A2%9Ce%96%9F%95%99%99%9A%9A%A0%9A): https://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.}}
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