We are gathering the GPS-coordinates of every speed-limit sign on earth. You don't need a GPS device, just 2 minutes of your time. Its open source so you can contribute.
People can put these data into GPS devices to regulate or warn of excessive speed. Google, Garmin, Teleatlas, even AAA aren't doing this, so please help out. Plus the sign you capture is copyrighted with your name since you found it. CC license also supported.
If you need a database of speed limit signs, click on More Info.
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In Jan 2014, we sent 1/2 of all earnings to all 638 contributors.
On Nov 11, 2009, we paid $21.54 to all contributors.
EBo for group support and donation, Bruce Cannon for wisdom and donation, Magick help from Magic, Fred's Scripts, esmi, Lorenzo Caum, Trish for Wordpress Help, Riyad Kalla for simple xml parser., John Carr for providing max speed limits., Andy Moore for location code., Royce Jordan for 5bucks, Brian Smith and Dr Glunz, Nick Fox for snipet, Ellen Shields at DOT for dialog, Simple Mysql REPLACE example generator, Scott Chamberlain for R interface to speed limit database, Onur Akgun for cron, Dave Smith for bash help, Branden Mina, Justin Sovine, Matt Despain, Jakub Rehacek, Espen, Sean, Alex, Ragaar Ashnod, Kostya Vasilev If we left you out, please let us know.