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Its meaning depends upon its colour, length and map it is on.

On the Ordinance Survey Landranger series of map (1:50,000) a dash can represent:

  • Long thick blue: Motorway under construction
  • Long thick red: A-Road under construction
  • Black fairly short down the edge of a road symbol: an unfenced section of road
  • Black fairly short: a path (not necessarily a right of way)
  • Red fairly short: a bridleway
  • Long thin black: railway under construction
  • Pair of short black: railway in a tunnel (if continuation of railway track)
  • Black fairly short with arrow heads: pipeline (arrows show direction of flow)
  • Black, fairly log (alongside water): towpath
  • Pair of short black across water: Ford (if continuation of road)
  • Pair of light blue: canal (dry)

On the Ordinance Survey Explorer series of maps (1:25,000) a dash can represent some of the above as well as:

  • Green fairly long: Bridleway
  • Light orange short: permissive footpath
  • Light orange long: permissive bridleway
  • Black short: Electricity transmission line (other symbols along it represent pylons and poles)
  • Black short: Edge of a Gravel/Sand/Other Pit or Quarry
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9y ago

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