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CrashStats

B4297 accidents: crash map and statistics

Police recorded 600 collisions on the B4297 from 1979 to 2025, with 818 casualties. Of those crashes, 11 were fatal and 154 serious, and 11 people were killed.

In 2025 there were 12 collisions on the B4297, up 71% from 7 in 2024, with 12 casualties.

Collisions since 1979
600
1,695th highest of 4,923 roads
Casualties
818
1.36 per collision
Fatal collisions
11
11 people killed
Serious collisions
154
199 seriously injured
Collisions in 2025
12
Up 71% on 2024
Casualties in 2025
12
Down 8% on 2024

Crash severity on the B4297

On the B4297, 1.8% of collisions were fatal and 26% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal111.8%
  • Serious15426%
  • Slight43573%

Where the B4297 ranks among 4,923 roads

Most collisions
1,695th
Most casualties
1,691st
Most fatal collisions
1,595th
Most serious collisions
1,348th

B4297 accidents by year

Collisions on the B4297 peaked at 26 in 1989 and were down to 12 in 2025.

Collisions and casualties on the B4297, 1979 to 2025

  • Collisions
  • Collisions in 2025: 12
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20251212
2024713
2023913
20221619
202166
202078
20191215
201857
20171112
2016811
20151116
20141523
20131416
20121522
201179
20101521
20091620
200858
20072128
20062533
20052126
20041823
20031419
20021419
20011724
20001217
19991930
19981317
1997816
19961113
19951415
19942129
1993910
19921926
19911722
19901719
19892638
19881829
19871420
19861016
1985913
19841321
1983814
198246
1981814
198045
197955

When crashes happen on the B4297

Friday has the most collisions on the B4297 (100), and 3pm to 6pm is the busiest time of day (149).

Collisions by day of the week

  • Monday83 (14%)
  • Tuesday83 (14%)
  • Wednesday91 (15%)
  • Thursday90 (15%)
  • Friday100 (17%)
  • Saturday93 (16%)
  • Sunday60 (10%)

Collisions by time of day

  • Midnight to 3am23 (3.8%)
  • 3am to 6am7 (1.2%)
  • 6am to 9am71 (12%)
  • 9am to noon84 (14%)
  • Noon to 3pm98 (16%)
  • 3pm to 6pm149 (25%)
  • 6pm to 9pm104 (17%)
  • 9pm to midnight64 (11%)

Collisions by month

  • January47 (7.8%)
  • February51 (8.5%)
  • March42 (7%)
  • April46 (7.7%)
  • May47 (7.8%)
  • June52 (8.7%)
  • July62 (10%)
  • August45 (7.5%)
  • September55 (9.2%)
  • October63 (11%)
  • November49 (8.2%)
  • December41 (6.8%)

Light conditions at the time

  • Daylight428 (71%)
  • Dark, street lights lit146 (24%)
  • Dark, no street lighting19 (3.2%)
  • Dark, lighting unknown5 (0.8%)
  • Dark, street lights unlit1 (0.2%)
  • Not recorded1 (0.2%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B4297 crashes

On the B4297, 83% of collisions happened where the speed limit was 30 mph and 64% on a dry road surface.

Speed limit at the scene

  • 20 mph13 (2.2%)
  • 30 mph497 (83%)
  • 40 mph13 (2.2%)
  • 60 mph77 (13%)

Weather at the time

  • Fine, no high winds443 (74%)
  • Raining, no high winds109 (18%)
  • Raining with high winds19 (3.2%)
  • Fine with high winds4 (0.7%)
  • Other17 (2.8%)
  • Not recorded8 (1.3%)

Road surface

  • Dry382 (64%)
  • Wet or damp203 (34%)
  • Frost or ice8 (1.3%)
  • Snow4 (0.7%)
  • Flood over 3cm deep1 (0.2%)
  • Not recorded2 (0.3%)

Type of road

  • Single carriageway581 (97%)
  • Dual carriageway8 (1.3%)
  • One way street or slip road6 (1%)
  • Roundabout3 (0.5%)
  • Not recorded2 (0.3%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B4297 crashes

Car occupants make up 63% of the people killed or injured on the B4297, followed by motorcyclists (12%).

Casualties by road user

  • Car occupant515 (63%)
  • Motorcyclist101 (12%)
  • Pedestrian98 (12%)
  • Cyclist57 (7%)
  • Van occupant16 (2%)
  • Bus or coach occupant11 (1.3%)
  • Minibus occupant8 (1%)
  • Other12 (1.5%)

Vehicles involved

  • Car849 (76%)
  • Motorcycle101 (9%)
  • Pedal cycle57 (5.1%)
  • Van or goods vehicle up to 3.5 tonnes38 (3.4%)
  • Goods vehicle over 3.5 tonnes21 (1.9%)
  • Bus or coach18 (1.6%)
  • Other vehicle13 (1.2%)
  • Other20 (1.8%)

Casualties by age

  • 0 to 517 (2.1%)
  • 6 to 1045 (5.5%)
  • 11 to 1558 (7.1%)
  • 16 to 20179 (22%)
  • 21 to 25103 (13%)
  • 26 to 35139 (17%)
  • 36 to 4583 (10%)
  • 46 to 5576 (9.3%)
  • 56 to 6556 (6.8%)
  • 66 to 7537 (4.5%)
  • Over 7525 (3.1%)

Drivers, passengers and pedestrians

  • Driver or rider501 (61%)
  • Passenger219 (27%)
  • Pedestrian98 (12%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B4297

Map of the 25 most recent crashes on the B4297

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

  • 25 crashes
  • Fatal
  • Serious
  • Slight

B4297 crashes by council area

Of the 600 collisions on the B4297, 599 were in Carmarthenshire.

Collisions on the B4297 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stCarmarthenshire59981711154

B4297 crashes by town

Collisions on the B4297 were recorded in 4 towns and built-up areas, led by Llanelli (222) and Llangennech (85).

Recent crashes on the B4297

These are the 25 most recent collisions on the B4297, from 20 February 2023 to 19 October 2025.

Severity