Accident cluster sites and fatal road accidents on the Welsh Trans-European Road Network: 2015 to 2017

Key points

Between 2015 and 2017 there were 28 accident cluster sites on the Welsh Trans-European Road Network (TERN). These contain 128 accidents with a personal injury and 13 of these were Killed or Seriously Injured (KSI) accidents.

North Wales

• In North Wales, there are 5 roads on the TERN route.
• There was 1 accident cluster site which resulted in 4 accidents with a personal injury and no KSI accidents.
• There were no accident cluster sites on the A494, A483, A5 and the A550.
• There were 8 fatalities reported on the TERN roads.

South Wales

• There are 8 roads (9 different routes as the A40 is split into two sections) on the TERN route, 5 of which are in South-East Wales and 4 of which are in South-West Wales.
• There were 27 accident cluster sites which resulted in 124 accidents with a personal injury and of these 13 were KSI accidents.
• The M4 had 12 accident cluster sites, which resulted in 54 accidents with a personal injury and of these 5 were classed as KSI.
• Apart from the M4, the A48 had the largest number of cluster sites at 7 and there were no accident cluster sites on the M48 and the A449.
• There were 21 fatalities reported on the TERN roads.