How GPS devices are being used to detect and avoid traffic

This is relevant to the discussion about congestion pricing, mesh networks and avoiding traffic jams, a topic that I am getting interested in as you could see from this previous post.
[... snip]  Now help is at hand. As satellite-navigation devices become more widely used, networking effects are making them more powerful. This is because vehicles themselves are starting to relay real-time traffic data—and he more that do so, the more accurate traffic information will become.  [snip...] (from The Economist)

Read the whole article and you will see that it's more than just GPS devices that are being called to duty: cell phones as well as verbal reports can get integrated together into an overall picture of where the traffic is and how to avoid it.
Posted on March 26, 2008 and filed under Life.