Skip to main content
CrashStats

B4591 accidents: crash map and statistics

Police recorded 1,693 collisions on the B4591 from 1979 to 2025, with 2,213 casualties. Of those crashes, 20 were fatal and 343 serious, and 20 people were killed.

In 2025 there were 14 collisions on the B4591, level with 2024, with 18 casualties.

Collisions since 1979
1,693
673rd highest of 4,923 roads
Casualties
2,213
1.31 per collision
Fatal collisions
20
20 people killed
Serious collisions
343
386 seriously injured
Collisions in 2025
14
Level with 2024
Casualties in 2025
18
Up 29% on 2024

Crash severity on the B4591

On the B4591, 1.2% of collisions were fatal and 20% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal201.2%
  • Serious34320%
  • Slight1,33079%

Where the B4591 ranks among 4,923 roads

Most collisions
673rd
Most casualties
689th
Most fatal collisions
983rd
Most serious collisions
633rd

B4591 accidents by year

Collisions on the B4591 peaked at 72 in 1993 and were down to 14 in 2025.

Collisions and casualties on the B4591, 1979 to 2025

  • Collisions
  • Collisions in 2025: 14
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20251418
20241414
20231013
20221924
20211418
20201111
20191318
20181626
201758
20161315
20152433
20143743
20132024
20121924
20112340
20103239
20092732
20084778
20073355
20063948
20054454
20044757
20034767
20025682
20013850
20005891
19995374
19985069
19975571
19966083
19955868
19944659
19937282
19925576
19917080
19907182
19896382
19886076
19876992
19866171
19855270
19844353
198378
19821012
198144
198077
1979712

When crashes happen on the B4591

Friday has the most collisions on the B4591 (331), and 3pm to 6pm is the busiest time of day (382).

Collisions by day of the week

  • Monday229 (14%)
  • Tuesday212 (13%)
  • Wednesday228 (13%)
  • Thursday254 (15%)
  • Friday331 (20%)
  • Saturday282 (17%)
  • Sunday157 (9.3%)

Collisions by time of day

  • Midnight to 3am109 (6.4%)
  • 3am to 6am24 (1.4%)
  • 6am to 9am136 (8%)
  • 9am to noon238 (14%)
  • Noon to 3pm329 (19%)
  • 3pm to 6pm382 (23%)
  • 6pm to 9pm267 (16%)
  • 9pm to midnight208 (12%)

Collisions by month

  • January148 (8.7%)
  • February140 (8.3%)
  • March136 (8%)
  • April140 (8.3%)
  • May139 (8.2%)
  • June140 (8.3%)
  • July124 (7.3%)
  • August139 (8.2%)
  • September151 (8.9%)
  • October146 (8.6%)
  • November139 (8.2%)
  • December151 (8.9%)

Light conditions at the time

  • Daylight1,135 (67%)
  • Dark, street lights lit520 (31%)
  • Dark, street lights unlit17 (1%)
  • Dark, lighting unknown16 (0.9%)
  • Dark, no street lighting5 (0.3%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B4591 crashes

On the B4591, 95% of collisions happened where the speed limit was 30 mph and 67% on a dry road surface.

Speed limit at the scene

  • 20 mph33 (1.9%)
  • 30 mph1,616 (95%)
  • 40 mph39 (2.3%)
  • 50 mph3 (0.2%)
  • 60 mph1 (0.1%)
  • 70 mph1 (0.1%)

Weather at the time

  • Fine, no high winds1,292 (76%)
  • Raining, no high winds247 (15%)
  • Raining with high winds38 (2.2%)
  • Fine with high winds17 (1%)
  • Other78 (4.6%)
  • Not recorded21 (1.2%)

Road surface

  • Dry1,138 (67%)
  • Wet or damp535 (32%)
  • Frost or ice11 (0.6%)
  • Snow6 (0.4%)
  • Flood over 3cm deep2 (0.1%)
  • Mud1 (0.1%)

Type of road

  • Single carriageway1,513 (89%)
  • Dual carriageway81 (4.8%)
  • Roundabout69 (4.1%)
  • One way street or slip road27 (1.6%)
  • Not recorded3 (0.2%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B4591 crashes

Car occupants make up 51% of the people killed or injured on the B4591, followed by pedestrians (26%).

Casualties by road user

  • Car occupant1,119 (51%)
  • Pedestrian565 (26%)
  • Motorcyclist193 (8.7%)
  • Bus or coach occupant138 (6.2%)
  • Cyclist117 (5.3%)
  • Taxi or private hire car occupant31 (1.4%)
  • Van occupant26 (1.2%)
  • Other24 (1.1%)

Vehicles involved

  • Car2,161 (75%)
  • Motorcycle201 (7%)
  • Bus or coach143 (5%)
  • Pedal cycle122 (4.3%)
  • Taxi or private hire car80 (2.8%)
  • Van or goods vehicle up to 3.5 tonnes80 (2.8%)
  • Goods vehicle over 3.5 tonnes43 (1.5%)
  • Other38 (1.3%)

Casualties by age

  • 0 to 544 (2%)
  • 6 to 1073 (3.3%)
  • 11 to 15125 (5.6%)
  • 16 to 20453 (20%)
  • 21 to 25309 (14%)
  • 26 to 35413 (19%)
  • 36 to 45272 (12%)
  • 46 to 55195 (8.8%)
  • 56 to 65140 (6.3%)
  • 66 to 75113 (5.1%)
  • Over 7567 (3%)
  • Not recorded9 (0.4%)

Drivers, passengers and pedestrians

  • Driver or rider1,062 (48%)
  • Passenger586 (26%)
  • Pedestrian565 (26%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B4591

Map of the 25 most recent crashes on the B4591

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

  • 25 crashes
  • Serious
  • Slight

B4591 crashes by council area

Collisions on the B4591 were recorded in 3 council areas. Newport has the most, with 1,048, followed by Caerphilly (639) and Monmouthshire (3).

Collisions on the B4591 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stNewport1,0481,32210202
2ndCaerphilly63988310141
3rdMonmouthshire3500

B4591 crashes by town

Collisions on the B4591 were recorded in 5 towns and built-up areas, led by Newport, Newport (806) and Risca (434).

Recent crashes on the B4591

These are the 25 most recent collisions on the B4591, from 29 April 2024 to 13 December 2025.

Severity