Skip to main content
CrashStats

SA18 road accidents: crash map and statistics

Police recorded 3,045 road traffic collisions in the SA18 postcode district, Carmarthenshire, from 1979 to 2025, and 4,146 people were killed or injured in them. Of those collisions, 64 were fatal and 818 were serious.

In 2025 police recorded 25 collisions, down 14% on 2024 (29).

Collisions since 1979
3,045
1,302nd highest of 2,813 postcode districts
Casualties
4,146
1.36 per collision
Fatal collisions
64
72 people killed
Serious collisions
818
993 seriously injured
Collisions in 2025
25
Down 14% on 2024
Casualties in 2025
29
Down 19% on 2024

Road collision statistics for SA18

Collisions by severity, 1979 to 2025

  • Fatal642.1%
  • Serious81827%
  • Slight2,16371%

What the data shows

  • SA18 had 346 collisions from 2016 to 2025, 41% fewer than the 587 from 2006 to 2015.
  • 29% of collisions in SA18 were fatal or serious, against 20% across Great Britain.
  • 565 children under 16 were killed or injured in SA18, 14% of the casualties whose age was recorded.
  • The road surface was wet, icy, snowy or flooded in 41% of collisions in SA18.

Where SA18 ranks among 2,813 postcode districts

Most collisions
1,302nd
Most casualties
1,266th
Most fatal collisions
819th
Most serious collisions
694th

Collisions by day of the week

  • Monday404 (13%)
  • Tuesday390 (13%)
  • Wednesday414 (14%)
  • Thursday434 (14%)
  • Friday557 (18%)
  • Saturday500 (16%)
  • Sunday346 (11%)

Light conditions

  • Daylight2,210 (73%)
  • Dark, street lights lit658 (22%)
  • Dark, no street lighting113 (3.7%)
  • Dark, lighting unknown23 (0.8%)
  • Dark, street lights unlit20 (0.7%)
  • Not recorded21 (0.7%)

Type of road

  • Single carriageway2,947 (97%)
  • Roundabout34 (1.1%)
  • Dual carriageway25 (0.8%)
  • One way street or slip road15 (0.5%)
  • Not recorded24 (0.8%)

Speed limit at the scene

  • 20 mph31 (1%)
  • 30 mph2,328 (76%)
  • 40 mph178 (5.8%)
  • 50 mph24 (0.8%)
  • 60 mph481 (16%)
  • 70 mph3 (0.1%)

Weather at the time

  • Fine, no high winds2,151 (71%)
  • Raining, no high winds636 (21%)
  • Raining with high winds74 (2.4%)
  • Snowing, no high winds19 (0.6%)
  • Fine with high winds18 (0.6%)
  • Fog or mist14 (0.5%)
  • Snowing with high winds3 (0.1%)
  • Other78 (2.6%)
  • Not recorded52 (1.7%)

Who was hurt

  • Car occupant2,588 (62%)
  • Pedestrian605 (15%)
  • Motorcyclist487 (12%)
  • Cyclist200 (4.8%)
  • Van occupant95 (2.3%)
  • Bus or coach occupant58 (1.4%)
  • Goods vehicle occupant (over 3.5 tonnes)41 (1%)
  • Taxi or private hire car occupant32 (0.8%)
  • Other vehicle occupant17 (0.4%)
  • Minibus occupant12 (0.3%)
  • Other10 (0.2%)
  • Not recorded1 (under 0.1%)

Source: Department for Transport, STATS19 road safety data

SA18 road accidents by year

Collisions and casualties in SA18, 1979 to 2025

Collisions in SA18 peaked at 111 in 1979; 2025 had 25.

  • Collisions
  • Collisions in 2025: 25
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20252529
20242936
20232940
20222529
20212832
20203949
20194151
20183647
20174662
20164863
20154454
20145058
20134857
20125073
20117195
20105379
200964100
20086594
20077095
200672110
200577125
20047799
200375103
20026792
200173103
20005883
199968102
199880110
19975883
19966089
199583117
199474100
199379101
19926897
199198134
199092121
1989101143
198890126
198780117
19866581
198578105
19848595
198371101
198287118
19817182
198086121
1979111145

Map of recent crashes in SA18

Map of the 24 most recent crashes in SA18

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

  • 24 crashes
  • Serious
  • Slight

Recent road crashes in SA18

The 24 most recent collisions in SA18 happened between 26 January and 23 December 2025.

Severity

Crashes by road in SA18

The A483 has the most collisions in SA18, 792 of 3,045 (26%), followed by the A474 (703).

Collisions in SA18 on each road, 1979 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stA4837921,11713234
2ndA47470396718193
3rdA4069137166536
4thB429788122122
5thB455676113525
6thA406871106228
7thA4763662513
8thA40673400
9thA4843300

Council areas covering SA18

Collisions in SA18 were recorded in 3 council areas. Carmarthenshire has 2,692 of 3,045 (88%).

Collisions in SA18 by council area, 1979 to 2025
RankCouncil areaCollisionsCasualtiesFatalSerious
1stCarmarthenshire2,6923,68554745
2ndNeath Port Talbot3424461072
3rdSwansea111501

Towns in SA18

Collisions in SA18 were recorded in 7 towns, led by Ammanford (799) and Glanaman (324).