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CrashStats

B4236 accidents: crash map and statistics

Police recorded 426 collisions on the B4236 from 1979 to 2025, with 563 casualties. Of those crashes, 7 were fatal and 93 serious, and 9 people were killed.

In 2025 there were 6 collisions on the B4236, up 100% from 3 in 2024, with 7 casualties.

Collisions since 1979
426
2,197th highest of 4,923 roads
Casualties
563
1.32 per collision
Fatal collisions
7
9 people killed
Serious collisions
93
106 seriously injured
Collisions in 2025
6
Up 100% on 2024
Casualties in 2025
7
Up 133% on 2024

Crash severity on the B4236

On the B4236, 1.6% of collisions were fatal and 22% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal71.6%
  • Serious9322%
  • Slight32677%

Where the B4236 ranks among 4,923 roads

Most collisions
2,197th
Most casualties
2,243rd
Most fatal collisions
2,103rd
Most serious collisions
2,043rd

B4236 accidents by year

Collisions on the B4236 peaked at 20 in 1997 and were down to 6 in 2025.

Collisions and casualties on the B4236, 1979 to 2025

  • Collisions
  • Collisions in 2025: 6
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202567
202433
202300
202223
202111
202079
201933
201849
201700
201647
201534
201422
201323
201258
201156
201047
200933
200878
20071213
200699
200568
200457
20031318
2002713
20011216
20001118
1999914
1998812
19972026
1996915
1995810
19941315
19931620
19921723
19911519
19901827
19891623
19881115
198777
19861515
19851521
19841416
19831415
19821722
19811928
19801416
19791519

When crashes happen on the B4236

Friday has the most collisions on the B4236 (71), and 3pm to 6pm is the busiest time of day (105).

Collisions by day of the week

  • Monday66 (15%)
  • Tuesday52 (12%)
  • Wednesday60 (14%)
  • Thursday64 (15%)
  • Friday71 (17%)
  • Saturday63 (15%)
  • Sunday50 (12%)

Collisions by time of day

  • Midnight to 3am19 (4.5%)
  • 3am to 6am4 (0.9%)
  • 6am to 9am39 (9.2%)
  • 9am to noon63 (15%)
  • Noon to 3pm79 (19%)
  • 3pm to 6pm105 (25%)
  • 6pm to 9pm59 (14%)
  • 9pm to midnight58 (14%)

Collisions by month

  • January35 (8.2%)
  • February33 (7.7%)
  • March27 (6.3%)
  • April35 (8.2%)
  • May46 (11%)
  • June38 (8.9%)
  • July27 (6.3%)
  • August38 (8.9%)
  • September34 (8%)
  • October41 (9.6%)
  • November41 (9.6%)
  • December31 (7.3%)

Light conditions at the time

  • Daylight314 (74%)
  • Dark, street lights lit99 (23%)
  • Dark, no street lighting7 (1.6%)
  • Dark, lighting unknown4 (0.9%)
  • Dark, street lights unlit2 (0.5%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B4236 crashes

On the B4236, 83% of collisions happened where the speed limit was 30 mph and 63% on a dry road surface.

Speed limit at the scene

  • 20 mph11 (2.6%)
  • 30 mph355 (83%)
  • 40 mph36 (8.5%)
  • 50 mph1 (0.2%)
  • 60 mph22 (5.2%)
  • 70 mph1 (0.2%)

Weather at the time

  • Fine, no high winds321 (75%)
  • Raining, no high winds67 (16%)
  • Raining with high winds10 (2.3%)
  • Fine with high winds4 (0.9%)
  • Other22 (5.2%)
  • Not recorded2 (0.5%)

Road surface

  • Dry267 (63%)
  • Wet or damp152 (36%)
  • Frost or ice4 (0.9%)
  • Snow3 (0.7%)

Type of road

  • Single carriageway342 (80%)
  • One way street or slip road72 (17%)
  • Roundabout8 (1.9%)
  • Dual carriageway3 (0.7%)
  • Not recorded1 (0.2%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B4236 crashes

Car occupants make up 63% of the people killed or injured on the B4236, followed by pedestrians (12%).

Casualties by road user

  • Car occupant357 (63%)
  • Pedestrian67 (12%)
  • Motorcyclist63 (11%)
  • Cyclist47 (8.3%)
  • Taxi or private hire car occupant12 (2.1%)
  • Van occupant7 (1.2%)
  • Minibus occupant4 (0.7%)
  • Other6 (1.1%)

Vehicles involved

  • Car575 (76%)
  • Motorcycle62 (8.2%)
  • Pedal cycle47 (6.2%)
  • Van or goods vehicle up to 3.5 tonnes29 (3.8%)
  • Goods vehicle over 3.5 tonnes16 (2.1%)
  • Other vehicle9 (1.2%)
  • Taxi or private hire car9 (1.2%)
  • Other11 (1.5%)

Casualties by age

  • 0 to 57 (1.2%)
  • 6 to 1017 (3%)
  • 11 to 1532 (5.7%)
  • 16 to 20125 (22%)
  • 21 to 2597 (17%)
  • 26 to 3573 (13%)
  • 36 to 4567 (12%)
  • 46 to 5566 (12%)
  • 56 to 6534 (6%)
  • 66 to 7524 (4.3%)
  • Over 7519 (3.4%)
  • Not recorded2 (0.4%)

Drivers, passengers and pedestrians

  • Driver or rider356 (63%)
  • Passenger140 (25%)
  • Pedestrian67 (12%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B4236

Map of the 25 most recent crashes on the B4236

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

  • 25 crashes
  • Serious
  • Slight

B4236 crashes by council area

Collisions on the B4236 were recorded in 3 council areas. Newport has the most, with 309, followed by Torfaen (111) and Monmouthshire (5).

Collisions on the B4236 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stNewport309397569
2ndTorfaen111159223
3rdMonmouthshire5501

B4236 crashes by town

Collisions on the B4236 were recorded in 3 towns and built-up areas, led by Caerleon (153) and Cwmbrân (29).

Recent crashes on the B4236

These are the 25 most recent collisions on the B4236, from 3 June 2018 to 29 November 2025.

Severity