{
 "name": "train-tunnel",
 "title": "Train tunnel",
 "component": "TrainTunnelIcon",
 "url": "https://gentleface.com/icons/train-tunnel",
 "category": "transport",
 "motif": "train",
 "added": "2026-10-15",
 "history": [
  {
   "date": "2026-10-15",
   "what": [
    "added"
   ]
  }
 ],
 "geometry_hash": "0d14c002438f",
 "use_for": [
  "subway",
  "underground",
  "tube"
 ],
 "alternatives": [
  {
   "icon": "train",
   "why": "the metro owner and rail in general",
   "concept": "subway"
  }
 ],
 "also_fits": [
  {
   "concept": "train",
   "owner": "train",
   "why": "subway or underground"
  },
  {
   "concept": "metro",
   "owner": "train",
   "why": "subway or underground, where the city calls it that"
  }
 ],
 "family": [
  "train"
 ],
 "tags": [
  "subway",
  "underground",
  "metro",
  "tube",
  "tunnel",
  "train",
  "transit",
  "station"
 ],
 "size": 16,
 "styles": [
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  "line-soft",
  "line-sharp",
  "solid-round",
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 "license": "MIT",
 "author": "Alexander Kiselev"
}