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CrashStats

B743 accidents: crash map and statistics

Police recorded 612 collisions on the B743 from 1979 to 2025, with 871 casualties. Of those crashes, 21 were fatal and 172 serious, and 23 people were killed.

In 2025 there were 8 collisions on the B743, up 60% from 5 in 2024, with 8 casualties.

Collisions since 1979
612
1,666th highest of 4,923 roads
Casualties
871
1.42 per collision
Fatal collisions
21
23 people killed
Serious collisions
172
210 seriously injured
Collisions in 2025
8
Up 60% on 2024
Casualties in 2025
8
Down 11% on 2024

Crash severity on the B743

On the B743, 3.4% of collisions were fatal and 28% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal213.4%
  • Serious17228%
  • Slight41968%

Where the B743 ranks among 4,923 roads

Most collisions
1,666th
Most casualties
1,600th
Most fatal collisions
938th
Most serious collisions
1,211th

B743 accidents by year

Collisions on the B743 peaked at 30 in 2002 and were down to 8 in 2025.

Collisions and casualties on the B743, 1979 to 2025

  • Collisions
  • Collisions in 2025: 8
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202588
202459
20231112
2022710
202134
202056
20191121
2018810
20171215
20161521
20151213
20141419
20131316
2012713
20112131
20101316
20091618
20082937
20072031
20061931
20052533
20041722
20031732
20023051
20011928
2000912
19991730
19981927
19971422
19961621
19952935
19941624
1993811
19921730
19911518
19902129
19891720
19881726
19871114
1986910
198511
198425
198335
1982612
198134
198023
197935

When crashes happen on the B743

Saturday has the most collisions on the B743 (111), and 3pm to 6pm is the busiest time of day (133).

Collisions by day of the week

  • Monday93 (15%)
  • Tuesday82 (13%)
  • Wednesday72 (12%)
  • Thursday74 (12%)
  • Friday103 (17%)
  • Saturday111 (18%)
  • Sunday77 (13%)

Collisions by time of day

  • Midnight to 3am31 (5.1%)
  • 3am to 6am16 (2.6%)
  • 6am to 9am83 (14%)
  • 9am to noon89 (15%)
  • Noon to 3pm122 (20%)
  • 3pm to 6pm133 (22%)
  • 6pm to 9pm75 (12%)
  • 9pm to midnight63 (10%)

Collisions by month

  • January41 (6.7%)
  • February47 (7.7%)
  • March54 (8.8%)
  • April46 (7.5%)
  • May43 (7%)
  • June57 (9.3%)
  • July50 (8.2%)
  • August71 (12%)
  • September58 (9.5%)
  • October51 (8.3%)
  • November45 (7.4%)
  • December49 (8%)

Light conditions at the time

  • Daylight424 (69%)
  • Dark, no street lighting144 (24%)
  • Dark, street lights lit39 (6.4%)
  • Dark, street lights unlit3 (0.5%)
  • Dark, lighting unknown2 (0.3%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B743 crashes

On the B743, 71% of collisions happened where the speed limit was 60 mph and 50% on a dry road surface.

Speed limit at the scene

  • 20 mph1 (0.2%)
  • 30 mph148 (24%)
  • 40 mph19 (3.1%)
  • 50 mph7 (1.1%)
  • 60 mph434 (71%)
  • 70 mph3 (0.5%)

Weather at the time

  • Fine, no high winds435 (71%)
  • Raining, no high winds108 (18%)
  • Fine with high winds21 (3.4%)
  • Raining with high winds19 (3.1%)
  • Other25 (4.1%)
  • Not recorded4 (0.7%)

Road surface

  • Dry303 (50%)
  • Wet or damp260 (42%)
  • Frost or ice37 (6%)
  • Snow12 (2%)

Type of road

  • Single carriageway572 (93%)
  • Dual carriageway26 (4.2%)
  • Roundabout14 (2.3%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B743 crashes

Car occupants make up 74% of the people killed or injured on the B743, followed by motorcyclists (8.3%).

Casualties by road user

  • Car occupant642 (74%)
  • Motorcyclist72 (8.3%)
  • Pedestrian51 (5.9%)
  • Van occupant27 (3.1%)
  • Bus or coach occupant19 (2.2%)
  • Cyclist19 (2.2%)
  • Goods vehicle occupant (over 3.5 tonnes)17 (2%)
  • Other24 (2.8%)

Vehicles involved

  • Car747 (77%)
  • Motorcycle73 (7.5%)
  • Van or goods vehicle up to 3.5 tonnes43 (4.4%)
  • Goods vehicle over 3.5 tonnes36 (3.7%)
  • Other vehicle23 (2.4%)
  • Pedal cycle19 (2%)
  • Bus or coach15 (1.5%)
  • Other15 (1.5%)

Casualties by age

  • 0 to 58 (0.9%)
  • 6 to 1023 (2.6%)
  • 11 to 1534 (3.9%)
  • 16 to 20176 (20%)
  • 21 to 25118 (14%)
  • 26 to 35160 (18%)
  • 36 to 45133 (15%)
  • 46 to 5593 (11%)
  • 56 to 6575 (8.6%)
  • 66 to 7532 (3.7%)
  • Over 7519 (2.2%)

Drivers, passengers and pedestrians

  • Driver or rider549 (63%)
  • Passenger271 (31%)
  • Pedestrian51 (5.9%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B743

Map of the 25 most recent crashes on the B743

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

  • 25 crashes
  • Fatal
  • Serious
  • Slight

B743 crashes by council area

Collisions on the B743 were recorded in 3 council areas. South Ayrshire has the most, with 373, followed by East Ayrshire (168) and South Lanarkshire (69).

Collisions on the B743 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stSouth Ayrshire3735501799
2ndEast Ayrshire168228358
3rdSouth Lanarkshire6989115

B743 crashes by town

Collisions on the B743 were recorded in 3 towns and built-up areas, led by Ayr (78) and Mauchline (19).

Recent crashes on the B743

These are the 25 most recent collisions on the B743, from 26 December 2022 to 8 September 2025.

Severity