Changes between Version 9 and Version 23 of left-right-hand-traffic

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left-right-hand-traffic

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 [[TranslatedPages]]
 = Left- and right-hand traffic =
-JOSM has an internal database of areas with left-hand traffic. This was added in version r7193. This is used in some [[Styles/|Styles]] for correct display. Examples are the default internal mappaint style (for cycleway lanes and tracks on highways or roundabout icons) or [[Styles/Maxspeed]] (for maxspeed:forward and maxspeed:backward).
+JOSM has an internal database of areas with left-hand traffic.
 
-You can download the data [http://josm.openstreetmap.de/browser/josm/trunk/data/left-right-hand-traffic.osm here] (click on ''Original format'' on the bottom of the page) and load the file in JOSM to investigate the borders. The areas in the file describe the areas with left-hand traffic. All other areas use right-hand traffic.
+The database is used e.g. at the following places:
+* The default internal mappaint style (for cycleway lanes and tracks on highways and roundabout icons)
+* The [wikitr:/Styles/Lane_and_Road_Attributes Lane and Road Attributes] style
+* The [wikitr:/Styles/Maxspeed Maxspeed] style (for maxspeed:forward and maxspeed:backward)
+* The [wikitr:/Styles/PriorityRoad Priority Road] style (for priority_road:forward and priority_road:backward)
+* For the [wikitr:/Help/Action/CreateCircle create circle] action, to use the correct way direction, if you create a roundabout.
+* The plugin [https://github.com/JOSM/turnlanes-tagging TurnLanes-tagging]
 
-You can use the pseudo classes `:righthandtraffic` for right-hand traffic and `!:righthandtraffic` for left-hand traffic in your mapcss mappaint style. See [[Help/Styles/MapCSSImplementation]] for more information. Note that you maybe get wrong results near to borders of countries with different driving directions since the area borders of left-hand traffic are simplified in JOSM. These simplifications are necessary to reduce the size of the database, but it can be refined on request.
+The file named "left-right-hand-traffic.osm" is stored in your [wikitr:/Help/Preferences#JOSMpreferencedatacachedirectories JOSM cache folder]. You can open this file in JOSM to investigate the borders. The areas in the file describe the areas with left-hand traffic. All other areas use right-hand traffic.
 
-If you notice an error in the database you can create a new ticket by clicking in JOSM menu Help → Report bug.
+You can use the pseudo classes `:righthandtraffic` for right-hand traffic and `!:righthandtraffic` for left-hand traffic or the eval expression `is_right_hand_traffic()` in your [[wikitr:/Styles|mapcss mappaint style]]. See [[wikitr:/Help/Styles/MapCSSImplementation]] for more information. Note that you maybe get wrong results near to borders of countries with different driving directions since the area borders of left-hand traffic are simplified in JOSM. These simplifications are necessary to reduce the size of the database, but it can be refined on request.
+
+If you notice an error in the database you can create a new ticket by clicking in JOSM menu Help → [[JOSMImage(bug,20px,middle)]] [wikitr:/Help/Action/ReportBug Report bug].
+
+The left-right-hand-traffic.osm file is generated from the more detailed boundaries file. More infos about it see [wikitr:/Help/Styles/MapCSSImplementation#Territoryselector MapCSSImplementation#Territoryselector] ([attachment:boundaries.png:wiki:Help/Styles/MapCSSImplementation screenshot preview]).
 
 Screenshot of the areas with left-hand traffic:
@@ -13 +23 @@
 [[Image(leftrighthandtraffic.png)]]
 
-^(data used for image [osmwww:copyright ©OpenStreetMap contributors] ODbL, tiles: Mapnik CC BY-SA) ^
+^(data used for image [osmwww:copyright ©OpenStreetMap contributors] ODbL, tiles: OSM-carto CC BY-SA) ^