File:Radroutennetz Brandenburg Hell.png

<!-- This is an Overpass Turbo Query for visualizing cycling routes of Germany or it's states.
     Visit http://overpass-turbo.eu/s/48K to run and tinker with the following code.
     Exchange DE-BB by, e.g. DE-BW for Baden-Wuerttemberg etc. pp. -->
{{a=<has-kv k="boundary" v="administrative"/><has-kv k="ISO3166-2" v="DE-BB"/>}}

<osm-script output="json">
 <union into="area">
  <query type="relation">{{a}}</query>
  <recurse type="down"/>
 </union>
 <query type="area">{{a}}</query>

 <!-- get cycle route relations -->
 <query type="relation" into="cr">
  <area-query/>
  <has-kv k="route" v="bicycle"/>
  <!-- exclude unmaintained cycle networks
  <has-kv k="network" regv=".cn"/> -->
 </query>
 <recurse type="down" from="cr" into="crw"/>

 <!-- drop all ways not within area -->
 <query type="way" into="crw_in_area">
  <item set="crw"/>
  <area-query/>
 </query>

 <union into="_">
  <item set="area"/>
  <item set="cr"/>
  <item set="crw_in_area"/>
  <recurse type="way-node" from="crw_in_area"/>
 </union>

 <print mode="body" order="quadtile"/>
</osm-script>

{{style: /* MapCSS stylesheet */
node {
  width:0;
  symbol-size:0.0001;
}
way {
  color:darkgray;
  width:1.66;
}
area {
  color:white;
  opacity:0.8;
  width:3.2;
  /* fill-color:black; */
  /* fill-opacity:0.33; */
  fill-color:white;
  fill-opacity:0.66;
}

relation[boundary] way { width:0; }
relation[network=lcn] way { width:1.00; color:magenta; }
relation[network=rcn] way { width:1.66; color:orange; }
relation[network=ncn] way { width:1.66; color:blue; }
relation[network=icn] way { width:1.66; color:red; }

relation[network] area { width:0; }
relation[network=lcn] area { fill-color:magenta; }
relation[network=rcn] area { fill-color:orange; }
relation[network=ncn] area { fill-color:blue; }
relation[network=icn] area { fill-color:red; }

/* dim unmaintained cycle networks */
relation[network=~/^(?!.cn)/] way { opacity:.5; }
relation[network=~/^.cn/] way { opacity:1; }
}}