Welcome to the Wikispeedia, the open speed limit database. We are gathering the GPS-coordinates of every speed-limit sign on earth. You don't need any GPS or cellphone to help, 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 data you capture is copyrighted with your name.

About us

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.

People have written loggers for Blackberry, Android, or write your own. Go gather a cities worth. It doesn't take long. Even if the speed changes, you found the sign and you own it.

If you need a database of speed limit signs, click on More Info.

Wikispeedia is a contributor owned company. Known contributors should expect to get paid. Our tools validate everything each and every night.

Dividends: We posted a dividend of $14.91 per contributor on May 6, 2009, but increased it to $21.54 and mailed checks on Nov 11, 2009.