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CrashStats

A4051 accidents: crash map and statistics

Police recorded 958 collisions on the A4051 from 1979 to 2025, with 1,351 casualties. Of those crashes, 16 were fatal and 167 serious, and 16 people were killed.

In 2025 there were 9 collisions on the A4051, down 25% from 12 in 2024, with 10 casualties.

Collisions since 1979
958
1,141st highest of 4,923 roads
Casualties
1,351
1.41 per collision
Fatal collisions
16
16 people killed
Serious collisions
167
199 seriously injured
Collisions in 2025
9
Down 25% on 2024
Casualties in 2025
10
Down 47% on 2024

Crash severity on the A4051

On the A4051, 1.7% of collisions were fatal and 17% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal161.7%
  • Serious16717%
  • Slight77581%

Where the A4051 ranks among 4,923 roads

Most collisions
1,141st
Most casualties
1,096th
Most fatal collisions
1,181st
Most serious collisions
1,249th

A4051 accidents by year

Collisions on the A4051 peaked at 44 in 1995 and were down to 9 in 2025.

Collisions and casualties on the A4051, 1979 to 2025

  • Collisions
  • Collisions in 2025: 9
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
2025910
20241219
20231012
20221214
20211322
202067
20191013
2018710
201788
20161019
20151011
20142744
20131317
2012912
20111922
20102233
20091520
20082228
20073040
20062430
20052939
20043355
20034263
20023550
20012229
20003853
19993559
19983655
19973248
19963862
19954467
19941012
19932026
19921727
19911422
19901419
19891117
1988812
19871517
19861720
19851521
19841624
19832125
19823037
19812330
19803033
19792538

When crashes happen on the A4051

Thursday has the most collisions on the A4051 (152), and 3pm to 6pm is the busiest time of day (235).

Collisions by day of the week

  • Monday141 (15%)
  • Tuesday142 (15%)
  • Wednesday131 (14%)
  • Thursday152 (16%)
  • Friday147 (15%)
  • Saturday145 (15%)
  • Sunday100 (10%)

Collisions by time of day

  • Midnight to 3am40 (4.2%)
  • 3am to 6am15 (1.6%)
  • 6am to 9am119 (12%)
  • 9am to noon127 (13%)
  • Noon to 3pm167 (17%)
  • 3pm to 6pm235 (25%)
  • 6pm to 9pm151 (16%)
  • 9pm to midnight104 (11%)

Collisions by month

  • January94 (9.8%)
  • February79 (8.2%)
  • March85 (8.9%)
  • April72 (7.5%)
  • May72 (7.5%)
  • June70 (7.3%)
  • July69 (7.2%)
  • August73 (7.6%)
  • September68 (7.1%)
  • October92 (9.6%)
  • November97 (10%)
  • December87 (9.1%)

Light conditions at the time

  • Daylight632 (66%)
  • Dark, street lights lit305 (32%)
  • Dark, lighting unknown9 (0.9%)
  • Dark, street lights unlit9 (0.9%)
  • Dark, no street lighting3 (0.3%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in A4051 crashes

On the A4051, 42% of collisions happened where the speed limit was 40 mph and 62% on a dry road surface.

Speed limit at the scene

  • 20 mph1 (0.1%)
  • 30 mph320 (33%)
  • 40 mph402 (42%)
  • 50 mph5 (0.5%)
  • 60 mph203 (21%)
  • 70 mph27 (2.8%)

Weather at the time

  • Fine, no high winds680 (71%)
  • Raining, no high winds182 (19%)
  • Raining with high winds23 (2.4%)
  • Fine with high winds13 (1.4%)
  • Other39 (4.1%)
  • Not recorded21 (2.2%)

Road surface

  • Dry595 (62%)
  • Wet or damp344 (36%)
  • Frost or ice13 (1.4%)
  • Snow4 (0.4%)
  • Flood over 3cm deep1 (0.1%)
  • Oil or diesel1 (0.1%)

Type of road

  • Single carriageway411 (43%)
  • Dual carriageway326 (34%)
  • Roundabout214 (22%)
  • One way street or slip road6 (0.6%)
  • Not recorded1 (0.1%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in A4051 crashes

Car occupants make up 68% of the people killed or injured on the A4051, followed by motorcyclists (12%).

Casualties by road user

  • Car occupant923 (68%)
  • Motorcyclist168 (12%)
  • Pedestrian108 (8%)
  • Cyclist60 (4.4%)
  • Bus or coach occupant34 (2.5%)
  • Taxi or private hire car occupant21 (1.6%)
  • Van occupant17 (1.3%)
  • Other20 (1.5%)

Vehicles involved

  • Car1,381 (77%)
  • Motorcycle163 (9.1%)
  • Pedal cycle62 (3.4%)
  • Van or goods vehicle up to 3.5 tonnes61 (3.4%)
  • Goods vehicle over 3.5 tonnes40 (2.2%)
  • Bus or coach34 (1.9%)
  • Taxi or private hire car32 (1.8%)
  • Other26 (1.4%)

Casualties by age

  • 0 to 521 (1.6%)
  • 6 to 1021 (1.6%)
  • 11 to 1552 (3.8%)
  • 16 to 20272 (20%)
  • 21 to 25197 (15%)
  • 26 to 35283 (21%)
  • 36 to 45189 (14%)
  • 46 to 55139 (10%)
  • 56 to 6595 (7%)
  • 66 to 7539 (2.9%)
  • Over 7535 (2.6%)
  • Not recorded8 (0.6%)

Drivers, passengers and pedestrians

  • Driver or rider834 (62%)
  • Passenger409 (30%)
  • Pedestrian108 (8%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the A4051

Map of the 25 most recent crashes on the A4051

Use the arrow keys to move the map and the plus and minus keys to zoom.

  • 25 crashes
  • Fatal
  • Serious
  • Slight

A4051 crashes by council area

Collisions on the A4051 were recorded in 3 council areas. Torfaen has the most, with 553, followed by Newport (392) and Bristol (10).

Collisions on the A4051 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stTorfaen55376312113
2ndNewport392571451
3rdBristol101202

A4051 crashes by town

Collisions on the A4051 were recorded in 4 towns and built-up areas, led by Cwmbrân (364) and Newport, Newport (289).

Recent crashes on the A4051

These are the 25 most recent collisions on the A4051, from 1 June 2023 to 1 December 2025.

Severity