Fixing Up Other Roads
At the beginning of the month we started running a map to help people find the duplicate nodes on motorways which needed fixing. Initially there were quite a few in North America, but this has dropped steadily until, on 2009-09-18, they were all cleared up. There’s still a few around, notably some in northern Spain, but they’re largely cleared up. Congratulations to everyone — You’ve completed Level 1!
Level 2 is much, much more challenging. We’ve expanded the search to look for duplicate nodes which are part of the “important” highway infrastructure; motorways, primary roads and trunk roads. And, at the time of writing, there are 7,414 of them. The errors in these roads don’t cause as much trouble on long-distance routes as the ones on motorways, but they cause more on middle- to short-distance routes. It’s pretty difficult to get to a motorway without using a primary or trunk road in most places 
Happy fixing!
September 23rd, 2009 - Posted by Matt Amos | 1 Comments
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on October 26th, 2009 at 5:49 pm
[...] month we set a challenge: Fix duplicate nodes appearing in the most “important” levels of the highway [...]