I-Hacked.com Taking Advantage Of Technology - Inside Programmable Road Signs
http://www.i-hacked.com/content/view/274/48/

how to hack the ADCO portable sign

How many times have you driven by an electronic road sign like one of these? This is the ADDCO portable sign. Today, you see what is on the inside, and how they are programmed to display important information.

How to hack US roadside signs.

WTF

Craig sign postings

60 rare and unusual vintage signs

Rare and Unusual Vintage Sign

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Marcy from Menlo Park, CA sent a tip to Safety Graphic Fun today via PayPal! I've put on my safety gloves, safety goggles and safety chaps to ring the Safety Bell in your honor.

Very interesting. Also gives some practice methods for improving your programming skills. Google cache: http://tinyurl.com/mprt6w

First type article I've read in ages that doens't leave me thinking that I'm just a font snob

This site intends to survey all of the signs in New York City from 14th Street to 42nd Street.

Hmmmm

confusing and amusing