Skip to main content

An report showing information by road class for April 2018 to March 2019.

Main points

Total road length in Wales by road classification, 2018-19. Total road length in Wales: 34,850 km; of which 4.9% motorways & trunk roads; 8% A county roads; 36.9% B and C roads; 50.2% minor surfaced roads.

  • Powys contains the largest road network of the Welsh local authorities. It accounts for the highest proportion of all trunk roads (27.3%), B and C roads (21.1%) and minor surfaced roads (12.1%), resulting in an overall 15.8% of the total road length of Wales.
  • In 2018-19, 6.4% of the motorway network and 2.8% of the trunk road network required close monitoring of structural condition.

Structural condition of motorway and trunk roads in Wales, 2015-16 to 2018-19. In 2018-19, 6.4% of motorways and 2.8% of trunk roads required close monitoring of structural condition.

  • During 2018-19, Vale of Glamorgan had the highest percentage of A county roads in poor condition (6.3%), Rhondda Cynon Taf had the highest percentage of B roads in poor condition (6.5%) and Powys had the highest percentage of C roads in poor condition (21.6%).


Road lengths and conditions, April 2018 to March 2019: revised , file type: PDF, file size: 974 KB

974 KB
If you need a more accessible version of this document please email Please tell us the format you need. If you use assistive technology please tell us what this is.


Datasets and interactive tools


Ryan Pike

Telephone: 0300 025 6415


Telephone: 0300 025 8099