Telenav/Mapping Projects/Europe/Munich
To make OpenStreetMap more navigable and accurate in guidance, our mapping team started an editing project in Europe. Munich is one of the cities on which we will focus. We will be editing and reviewing one-ways, turn restrictions, road geometry and correcting any errors that might show up during our analysis. We will follow the global OSM conventions alongside the ones specific for Germany, as they are described on these pages:Attributierung von Straßen in Deutschland, DE:Map_Features
The below analysis is based on Openstreetmap data downloaded on 17.03.2020.
V・T・E Munich, Germany  |
| latitude: 48.139771, longitude: 11.582346 |
| Browse map of Munich 48°08′23.18″ N, 11°34′56.45″ E |
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Munich is a town in Germany at latitude 48°08′23.18″ North, longitude 11°34′56.45″ East.
Overall Statistics
For the below statistics, the following highway tag values were taken into consideration:
| motorway | motorway_link | trunk | trunk_link | primary | primary_link | secondary | secondary_link | tertiary | tertiary_link | residential | service | unclassified |
| City | Road Geometry(km) | Road Name(km) | Road Name Gap(km) | Oneway(km) | Speed Limit(km) | Speed Limit Gap (km) | Lane Info(km) | Lane Info Gap(km) | Turn Restrictions | Signposts |
|---|---|---|---|---|---|---|---|---|---|---|
| Munchen | 4540.04 | 2898.45 | 1,641.59 | 965.44 | 2709.18 | 1,830.86 | 996.06 | 3,543.98 | 1080 | 138 |
Improve OSM
Oneways
We will review and add if necessary the oneway=yes tag on navigable roads after consulting the available data (OSM Oneway key).
| City | Cases to Review |
|---|---|
| Munchen | 110 |
Turn Restrictions
We will use the following tags:
-relations: type=restriction ; restriction= * ; except= *
-relations: type=restriction ; restriction:conditional= * ; except= *
-members: from, via, to
See also: Relation:restriction
| City | Cases to review |
|---|---|
| Munchen | 722 |
Road Geometry
We will add missing geometry to the existing navigable roads. Key:highway
Quality Assurance
Integrity checks
Potential errors generated by the Integrity Checks tool. They are to be reviewed and editen only if it is the case as they are not always errors.
Please check OSM Wiki Integrity checks page for more details on how the data was obtained.
| Severity | Cases | Error Name |
| critical | 246 | bad-2w-4w-tags |
| critical | 6 | invalid-turn-restrictions |
| critical | 5 | oneway-flip-flops |
| critical | 8 | pierced-tunnels-and-bridges |
| critical | 117 | road-islands |
| critical | 243 | unconnected-ways |
| critical | 150 | wrong-oneway-double-way |
| critical | 1 | wrong-one-ways |
| major | 139 | bad-tag-values |
| major | 1 | highway-tag-flip-flops |
| major | 24 | miscategorized-ramps |
| major | 13 | ramp-destination-conflicts |
| major | 171 | speed-limit-value |
| major | 90 | way-sign-posts |
| minor | 4 | bad-words |
| minor | 17 | cardinal-directions |
| minor | 155 | lane-count |
| minor | 257 | links-with-name-or-ref |
| minor | 4 | misnamed-double-digitized-ways |
| minor | 22 | roundabout-name |
| minor | 90 | smoothness-problems |
| minor | 1009 | turn-lanes-order |
| minor | 2 | typos |
| minor | 1 | zorro-ways |
| Total | 2775 |
Keep Right
Below is a statistic of potential errors generated by the Keep Right tool. These are to be reviewed and edited only if considered so since false-positive cases are also generated.
Please see Keep Right OSM Wiki page and https://www.keepright.at/ for any additional information on the data below.
| Severity | Error name | Cases |
|---|---|---|
| critical | dead-ended one-ways | 5 |
| critical | missing from way | 2 |
| critical | wrong restriction angle | 3 |
| major | almost-junctions | 167 |
| major | floating islands | 41 |
| major | intersection without junction | 10 |
| minor | already restricted by oneway | 2 |
| minor | mixed layers intersections | 10 |
| Total | 240 |
Additional Sources
Satellite Imagery: ESRI World Imagery, Mapbox, Bing etc.
Street-level imagery: OpenStreetCam, Mapillary
Local Data: used with approval where needed
Improve OSM: Traffic Flow Direction