mapbox / mapbox/mapping

[Belgium] Reviewing osmlint-osmium and osmlint data issues

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Description

### Background

As part of on-going work to improve the quality of OpenStreetMap data, we recently used [osmlint-osmium](https://github.com/osmlab/osmlint-osmium) and [osmlint](https://github.com/osmlab/osmlint) for detecting issues related to road network data in Belgium. In total, there were 227 issues detected across 10 types of linters.
Our plan is to review all detected issues and fix it in OpenStreetMap. There's a[ link](https://wiki.openstreetmap.org/wiki/Organised_Editing/Activities/Resolve_linting_issues_in_Belgium) to our OSM Wiki page.

### Timeframe

We plan to start reviewing detected issues by the end of the week, and editing OpenStreetMap data to fix valid issues.

### Tools

We will use existing OpenStreetMap editing tools, and using the **#mbx_linters_belgium**
**Editor**: iD or JOSM
**Satellite Imagery**: Bing, Maxar, Esri
**Street Level Imagery**: Mapillary, Other open sources if available

### Contact Person

We welcome feedback, suggestions, and insights from local mappers. If you have questions about this work, or a specific edit by our team, please reach out to Natallia (natallia.zhouner@mapbox.com) or post a comment in a changeset.
### Linter Output
Issue | Belgium Total | Data
--- | --- | ---
Crossing Highways | 47 | [crossinghighways.zip](https://github.com/mapbox/mapping/files/5847889/crossinghighways.zip)
Crossing Highway Bridges | 1 | [crossinghighwaysbridges.zip](https://github.com/mapbox/mapping/files/5847903/crossinghighwaysbridges.zip)
Missing Role | 49 | [tr-missingroletr.zip](https://github.com/mapbox/mapping/files/5847906/tr-missingroletr.zip)
Impossible Angle | 20 | [impossibleangle.zip](https:/github.com/m/apbox/mapping/files/5847913/impossibleangle.zip)
Impossible Oneways | 49 | [impossibleoneways.zip](https://github.com/mapbox/mapping/files/5847925/impossibleoneways.zip)
Island Highways | 32 | [islandshighways.zip](https://github.com/mapbox/mapping/files/5847937/islandshighways.zip)
Mixed Layer | 15 | [mixedlayer.zip](https://github.com/mapbox/mapping/files/5847953/mixedlayer.zip)
Missing Type Restriction | 4 | [tr-missingtyperestrictiontr.zip](https://github.com/mapbox/mapping/files/5847959/tr-missingtyperestrictiontr.zip)
Excessive Roles | 7 | [tr-excessiverolestr.zip](https://github.com/mapbox/mapping/files/5847967/tr-excessiverolestr.zip)
Invalid Roles | 3 | [tr-invalidroletr.zip](https://github.com/mapbox/mapping/files/5847974/tr-invalidroletr.zip)

### Examples
Impossible angle or what we usually call “dragged node”. Link to example you can find [here](https://www.openstreetmap.org/edit#map=22.44/51.27385/4.32469).
![image](https://user-images.githubusercontent.com/60132467/105326426-c91e3700-5bde-11eb-9102-aacd84957d4c.png)

One more such [example](https://www.openstreetmap.org/edit#map=20.40/50.90609/4.19047)
![image](https://user-images.githubusercontent.com/60132467/105326580-f10d9a80-5bde-11eb-8b51-a8d2fd28100f.png)

Also found crossing roads without common point. You can find example [here](https://www.openstreetmap.org/edit#map=19.94/50.09936/4.26616):
![image](https://user-images.githubusercontent.com/60132467/105326776-2c0fce00-5bdf-11eb-8893-2a1d835dabcc.png)

Moreover found unconnected roads. To be routable, they should be connected into the road network. You can find example [here
](https://www.openstreetmap.org/edit#map=20.56/50.92712/4.40536)
![image](https://user-images.githubusercontent.com/60132467/105326911-56618b80-5bdf-11eb-991f-dbc6ba587cba.png)

### Your comments and questions are welcome here

@mapbox/data-rave-navigation-feedback @Andygol @abrohood @shvrm

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start with the Organised Editing activity page and the linked linter output archives, then review the issue categories and examples in iD or JOSM. Done means validating each reported road-network issue against available imagery and correcting valid OpenStreetMap data issues.

Written by the indexing model from the issue text.

Assessment

Domain
data
Issue type
Bug
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
25/100

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