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Road lengths and conditions

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  • Release date: 10 December 2014
  • Period covered: 2014
  • Next update: 10 December 2015
An annual report showing information by road class.

Key points

  • The total road length in Wales in 2014 was 34,459 km.
  • Unclassified minor surfaced roads contribute approximately half the total road length in Wales.
  • Powys covers by far the largest land area of the Welsh local authorities. It accounts for the highest proportion of all A Trunk roads (27 per cent), B and C roads (21 per cent) and minor surfaced roads (12 per cent), resulting in an overall 16 per cent of the total road length of Wales.
  • The greatest length of motorway is in Newport, which accounts for 19 per cent of the total motorway in Wales.
  • Just over one-third (34 per cent) of the road length of Wales is classed as being in built-up areas.
  • In 2014, the greatest length of dual carriageway was in Flintshire, which accounts for 11 per cent of the total dual carriageway in Wales.
  • In 2013, 12.8 per cent of the motorway network and 14.3 per cent of the trunk road network required close monitoring of structural condition compared with 11.2 per cent and 12.8 per cent respectively in 2012.
  • During 2013-14 Powys had the highest proportion of road network in need of further investigation due to its condition, 20 per cent.


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