From Wazeopedia
Added some map problem analysis clarifications and recommendations
==System detected problem Types==
* Missing road - The roads are too far apart from each other and most likely a road is missing in between. In many cases the missing roads are identified in Parking Lots. Please see the guidelines regarding the mapping of [[Best map editing practice#Parking Lots|Parking Lots]]. Be advised that more than 60% of this map error type appear to be bogus or require no action be taken at all. Mark it as Solved.
* Restricted turn might be allowed - The route goes through a turn which is marked as not allowed.
* Driving direction mismatch - Part Drivers are driving against the defined one-way direction of the route street. If this is in a 2-way segment, change it. Be sure to research whether this is really a 2-way street (or 1-way going the wrong driving other direction) first, as Wazers walking or biking could be causing the map problem to appear.* Missing junction - The roads are close to each other, however, they are not connected by a junction. This problem can also happen if two roads are close to each other and due to GPS inaccuracy, Waze snaps the driver to one road and then to the other when it "figures out" they really weren't on the other road. In those cases, this problem is bogus. Mark it as Solved.* Cross roads junction missing - The roads intersect each other, however, there is no junction in the intersection point. This happens most often when a map editor draws a new road crossing an existing one, but forgets to create a junction between the two.
* Suggested route frequently ignored - Waze has calculated that most users did not follow the suggested route. The number in the green circle shows how many drives were taken along that route. Look for missing connections or incorrect turn restrictions which may cause Waze to not choose that driving direction.
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