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Cartouche - map problems (obsolete)

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This information is obsolete and the active links to this page have been reviewed for disconnection or replacement. More current alternate information is likely available and should be followed rather than this information.

The following information is now obsolete. See the Instructions for using WME

Turning on the 'map problems' layer in the cartouche will show you various circles with numbers, each representing a different problem. For information on resolving map problems 51-60, see How to fix merger problems (problems 51-60).

Many problems.png

This article will cover these problems (by number), what they mean, and the best & recommended way to solve them.

Problem 1: Intersecting Roads

Description
An intersecting road is where two roads visually intersect, but there is no junction between the two roads. This may or may not be an error, since things like overpasses can often "look" connected even though they aren't.

Example of intersecting roads: 2011-07-26 170833.png

In the example above, you can see four detected locations where roads visually intersect but don't have junctions defined. In this particular example, the two horizontal roads are an overpass for the two vertical roads.

Suggested fix
Assuming that the road geometry is correct, then there are two options to fix this depending on the specific cause of the problem:

  • Option 1: If the roads actually do intersect and turns are possible, then create a junction with the appropriate turn restrictions (if any).
  • Option 2: If the roads don't actually intersect (as in an overpass) then adjust one of the roads by editing the details and adjust the 'Level' parameter. The default level for all roads is 0, so if you select the underpass you can set the level to -1, and if you select the overpass then you can set the level to 1.

When no action is required
Action should always be taken by implementing one of the two options above.

Tips

  • If you think the intersection is defined and you keep resolving the problem but it keeps reappearing, try creating a new junction. Don't use 'Enable All Turns' on the junction itself - that doesn't seem to resolve the issue.

Problem 3: Road Contained in Another Road

Description
Suggested fix
When no action is required

Problem 6: Disconnected Road

Description
This problem is one of the most common problems on the map, and it's always related to wrong directions or unknown direction of the roads leading to the road marked with problem #6 - the disconnected road.
On the map, you'll notice some problem #6 are marked orange (higher priority), and some yellow (lower priority). The orange problem usually require a manual fix; it means both segments (the one marked with problem #6 and the one leading to it) already have directions, and still one of the roads is disconnected or not accessible.
This usually happens when one of the roads When you see a yellow problem #6, it means one of the roads has not been driven yet - meaning no travel direction is known and the segment is still marked with 'no entrance' as the direction. These instances are at a lower priority, since the assumption is once a wazer drives through the area, the driving directions will be learned and the problem #6 will disappear automatically.
This problem always has a solution - leaving this problem as is means the street on the map will not be navigable.

The problem #6 also appear when the turn restrictions are not set up correctly.

Suggested fix

The fix for problem #6 usually requires your judgement and knowledge of the area.
Problem 6 burma.png
In this case, Burma rd is defined as a two way road, and you can only exit this road by driving against a one-way street.
Obviously, this is not the case in reality. A possible change to solve this problem, is to make the first road a two-way street, which will allow proper entry and exit from burma rd.

Problem 6 fitch.png In this case, you can notice that problem #6 is in yellow, meaning it has a lower priority. Right now, Fitch street is disconnected - it is a one-way street leading to 2 roads with no known direction.
Roads with no known direction are roads that no user has driven before.
This type of problem can be solved in 2 ways: 1. Change the direction of the surrounding roads manually 2. Wait for a user to drive in the area (not in navigation mode, naturally) and open the direction of all segments.

Problem 7: Non Drivable Road

Description
Suggested fix
When no action is required

Problem 10: Not Enough Allowed Turns

Description
Suggested fix
When no action is required

Problem 11: Roads Intersecting Multiple Times

Description
Suggested fix
When no action is required

Problem 21: Road Nearly Touches Junction

Description
This problem happens when a segment ends close to a junction, but it is not connected to the junction.
When no action is required
Some times, this is not a problem - the road actually ends close to a junction, but there is no connection.
In this example, we can see a street ending close to a junction (an off-ramp splitting from the highway), but it is obvious that the two do not connect.
Problem 21 not a problem.jpg

Suggested fix
At other cases, the two segments should connect, but they are not properly connected.
Problem 21.jpg The quickest solution is to follow the suggested fix, which will automatically connect the segment to the node.

Problem 22: Road Nearly Touches Road

Description
This problem appears when two roads nearly touch each other, and the map suspects that they are connected and a junction is missing.
(NOTE: this is similar to problem #21, only here there is no junction yet)

When no action is required
Some times, this is not a problem - the road actually ends close to a different road, but they do not connect.
Suggested fix
There are two suggested fixes for this problem:
1. Create a junction - since one road is ending right next to the middle of another road, the junction will be created on the second road (55th st. in our example)
Problem 22.jpg
2. Delete the segment - sometimes this error is caused by a small road that was recorded by mistake. In this case, you can delete the small segment (assuming that you know no junction / road exists there). In this case, the road was added by mistake (probably by an inaccurate recording), and should be removed.
Problem 22 fix 2.png

Problem 26: Major Road Not Connected in One Side

Description
Problem 26 is created when a major road (minor hwy, major hwy or freeway) has a segment that is not properly connected. In this sense, it is similar to problem #6, only here a major road is involved. This means, that you cannot access the highway from at least one side of it, a fact that will definitely affect the navigation instructions.

Suggested fix
In some cases, the problem arises because part of the major is labeled 2-way, and the rest is one-way. In this scenario, the part that is two-way is not accessible for one side (the one going against the one-way), but in reality, most likely it should just be changed to one-way.
Problem 26 doolittle.png In this case, it is obvious that the two-way segment is mistakenly labeled as such, and should be changed to one-way. Changing the small section to one-way, as it should be, will resolve this problem.
While this case is a problem, it's still not as damaging to routing as this problem:
Problem 26 i290.png Here we can see 2 highways splitting, and the connection between the two parts of the Eisenhower Expy are not properly connected (thus creating two orange problems #26).
In this case, the influence on routing is crucial - the two parts of the expy must be connected to allow proper navigation.

Problem 31: Touching Nodes

Description
Suggested fix
When no action is required