OpenStreetMap 查找城市

https://www.openstreetmap.org/node/25248662#map=6/37.831/122.563

OverPass 获取区域信息

https://overpass-turbo.eu/

(
  relation["wikidata"="Q956"];
);
out body;
>;
out skel qt;

导出后拿到 relationId

OverPass 获取路网数据

<osm-script timeout="1800" element-limit="1000000000">
<union>
<area-query ref="3600912940"/> // 3600000000 + relationId
<recurse type="node-relation" into="rels"/>
<recurse type="node-way"/>
<recurse type="way-relation"/>
</union>
<union>
<item/>
<recurse type="way-node"/>
</union>
<print mode="body"/>
</osm-script>