B4422 accidents: crash map and statistics

Name: Road traffic accidents on the B4422, 1979 to 2024
Creator: Department for Transport
License: https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/

Police recorded 90 collisions on the B4422 from 1979 to 2024, with 143 casualties. Of those crashes, 2 were fatal and 21 serious, and 2 people were killed.

No collisions were recorded on the B4422 in 2025, after 1 in 2024.

Collisions since 1979: 90; 4,132nd highest of 4,923 roads
Casualties: 143; 1.59 per collision
Fatal collisions: 2; 2 people killed
Serious collisions: 21; 33 seriously injured
Collisions in 2025: 0; 1 in 2024
Casualties in 2025: 0; 1 in 2024

Crash severity on the B4422

On the B4422, 2.2% of collisions were fatal and 23% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2024

Fatal22.2%
Serious2123%
Slight6774%

Where the B4422 ranks among 4,923 roads

Most collisions: 4,132nd
Most casualties: 3,974th
Most fatal collisions: 3,485th
Most serious collisions: 3,992nd

B4422 accidents by year

Collisions on the B4422 peaked at 6 in 1993; none were recorded in 2025.

Collisions and casualties on the B4422, 1979 to 2025

Collisions
Collisions in 2025
Casualties

Source: Department for Transport, STATS19 road safety data

View as a table

Year	Collisions	Casualties
2025	0	0
2024	1	1
2023	0	0
2022	1	2
2021	2	2
2020	1	1
2019	0	0
2018	0	0
2017	0	0
2016	3	6
2015	1	2
2014	1	2
2013	1	1
2012	1	1
2011	0	0
2010	0	0
2009	2	2
2008	2	2
2007	3	4
2006	1	1
2005	2	2
2004	1	2
2003	4	5
2002	4	7
2001	3	5
2000	1	2
1999	1	2
1998	3	4
1997	1	1
1996	2	4
1995	2	3
1994	0	0
1993	6	14
1992	2	2
1991	2	2
1990	1	1
1989	5	6
1988	5	6
1987	1	1
1986	2	2
1985	4	5
1984	5	24
1983	2	2
1982	3	3
1981	1	2
1980	2	3
1979	5	6

When crashes happen on the B4422

Friday has the most collisions on the B4422 (19), and 3pm to 6pm is the busiest time of day (28).

Collisions by day of the week

Monday12 (13%)
Tuesday9 (10%)
Wednesday18 (20%)
Thursday10 (11%)
Friday19 (21%)
Saturday13 (14%)
Sunday9 (10%)

Collisions by time of day

Midnight to 3am6 (6.7%)
3am to 6am3 (3.3%)
6am to 9am6 (6.7%)
9am to noon15 (17%)
Noon to 3pm8 (8.9%)
3pm to 6pm28 (31%)
6pm to 9pm15 (17%)
9pm to midnight9 (10%)

Collisions by month

January3 (3.3%)
February10 (11%)
March4 (4.4%)
April3 (3.3%)
May11 (12%)
June6 (6.7%)
July13 (14%)
August9 (10%)
September6 (6.7%)
October7 (7.8%)
November9 (10%)
December9 (10%)

Light conditions at the time

Daylight64 (71%)
Dark, no street lighting16 (18%)
Dark, street lights lit7 (7.8%)
Dark, lighting unknown3 (3.3%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B4422 crashes

On the B4422, 52% of collisions happened where the speed limit was 60 mph and 54% on a dry road surface.

Speed limit at the scene

30 mph16 (18%)
40 mph20 (22%)
50 mph1 (1.1%)
60 mph47 (52%)
70 mph6 (6.7%)

Weather at the time

Fine, no high winds65 (72%)
Raining, no high winds11 (12%)
Fine with high winds6 (6.7%)
Raining with high winds3 (3.3%)
Other3 (3.3%)
Not recorded2 (2.2%)

Road surface

Dry49 (54%)
Wet or damp35 (39%)
Frost or ice4 (4.4%)
Snow2 (2.2%)

Type of road

Single carriageway90 (100%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B4422 crashes

Car occupants make up 69% of the people killed or injured on the B4422, followed by bus or coach occupants (12%).

Casualties by road user

Car occupant99 (69%)
Bus or coach occupant17 (12%)
Pedestrian10 (7%)
Cyclist5 (3.5%)
Motorcyclist4 (2.8%)
Van occupant4 (2.8%)
Agricultural vehicle occupant1 (0.7%)
Other3 (2.1%)

Vehicles involved

Car122 (81%)
Goods vehicle over 3.5 tonnes5 (3.3%)
Pedal cycle5 (3.3%)
Van or goods vehicle up to 3.5 tonnes5 (3.3%)
Agricultural vehicle4 (2.6%)
Bus or coach3 (2%)
Motorcycle3 (2%)
Other4 (2.6%)

Casualties by age

0 to 53 (2.1%)
6 to 102 (1.4%)
11 to 1523 (16%)
16 to 2027 (19%)
21 to 2518 (13%)
26 to 3519 (13%)
36 to 4515 (10%)
46 to 5517 (12%)
56 to 6513 (9.1%)
66 to 753 (2.1%)
Over 752 (1.4%)
Not recorded1 (0.7%)

Drivers, passengers and pedestrians

Driver or rider82 (57%)
Passenger51 (36%)
Pedestrian10 (7%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B4422

Map of the 25 most recent crashes on the B4422

25 crashes
Fatal
Serious
Slight

B4422 crashes by council area

All 90 collisions on the B4422 were in Isle of Anglesey.

Collisions on the B4422 in each area, 1979 to 2024
Rank	Area	Collisions	Casualties	Fatal	Serious
1st	Isle of Anglesey	90	143	2	21

B4422 crashes by town

Of the 90 collisions on the B4422, 4 were in the built-up area of Llangefni.

Llangefni4 collisions

Recent crashes on the B4422

These are the 25 most recent collisions on the B4422, from 30 July 2003 to 27 October 2024.

Severity

Serious27 Oct 2024, 01:13
Ford Fusion crash on the B4422 on the Isle of Anglesey, 27 Oct 2024, 01:13
- 1 vehicle, 1 casualty
Ref 202460Q162262
Slight24 Aug 2022, 18:19
Nissan Qashqai crash on the B4422 on the Isle of Anglesey, 24 Aug 2022, 18:19
- Nissan Qashqai and Seat Ibiza
- 2 vehicles, 2 casualties
Ref 202260B128766
Serious18 Jun 2021, 19:20
Motorcycle crash on the B4422 on the Isle of Anglesey, 18 Jun 2021, 19:20
- Motorcycle 125cc and under and a car
- 2 vehicles, 1 casualty
Ref 202160Z087132
Serious8 Feb 2021, 05:20
Car crash on the B4422 on the Isle of Anglesey, 8 Feb 2021, 05:20
- 1 vehicle, 1 casualty
Ref 202160Z018031
Slight4 Feb 2020, 15:45
Lorry crash on the B4422 on the Isle of Anglesey, 4 Feb 2020, 15:45
- Goods vehicle, weight unknown and a car
- 2 vehicles, 1 casualty
Ref 202060Y016358
Slight29 Jul 2016, 11:00
Van crash on the B4422 on the Isle of Anglesey, 29 Jul 2016, 11:00
- Van or goods vehicle up to 3.5 tonnes, another van or goods vehicle up to 3.5 tonnes and a car
- 3 vehicles, 2 casualties
Ref 201660U111778
Slight13 Jun 2016, 04:55
Car crash on the B4422 on the Isle of Anglesey, 13 Jun 2016, 04:55
- Car and another car
- 2 vehicles, 3 casualties
Ref 201660U086524
Slight2 May 2016, 15:55
Car crash on the B4422 on the Isle of Anglesey, 2 May 2016, 15:55
- Car and another car
- 2 vehicles, 1 casualty
Ref 201660U062917
Serious4 Feb 2015, 16:00
Car crash on the B4422 on the Isle of Anglesey, 4 Feb 2015, 16:00
- Car and an agricultural vehicle
- 2 vehicles, 2 casualties
Ref 201560S016627
Slight27 May 2014, 09:41
Car crash on the B4422 on the Isle of Anglesey, 27 May 2014, 09:41
- Car and another car
- 2 vehicles, 2 casualties
Ref 201460R078477
Serious3 Aug 2013, 20:40
Car crash on the B4422 on the Isle of Anglesey, 3 Aug 2013, 20:40
- Car and an agricultural vehicle
- 2 vehicles, 1 casualty
Ref 201360P126632
Slight7 Dec 2012, 16:55
Car crash on the B4422 on the Isle of Anglesey, 7 Dec 2012, 16:55
- 1 vehicle, 1 casualty
Ref 201260N201509
Slight14 Jun 2009, 13:14
Ford Fiesta crash on the B4422 on the Isle of Anglesey, 14 Jun 2009, 13:14
- Ford Fiesta and Honda CRV
- 2 vehicles, 1 casualty
Ref 2009609018163
Slight21 May 2009, 19:50
Ford Fiesta crash on the B4422 on the Isle of Anglesey, 21 May 2009, 19:50
- 1 vehicle, 1 casualty
Ref 2009609010961
Slight26 Nov 2008, 09:58
Car crash on the B4422 on the Isle of Anglesey, 26 Nov 2008, 09:58
- Car and another car
- 2 vehicles, 1 casualty
Ref 2008608224510
Slight23 Nov 2008, 00:35
Car crash on the B4422 on the Isle of Anglesey, 23 Nov 2008, 00:35
- 1 vehicle, 1 casualty
Ref 2008608222755
Slight16 Dec 2007, 11:32
Car crash on the B4422 on the Isle of Anglesey, 16 Dec 2007, 11:32
- Car and another car
- 2 vehicles, 2 casualties
Ref 2007600AN4046
Slight6 Dec 2007, 15:10
Ford Mondeo crash on the B4422 on the Isle of Anglesey, 6 Dec 2007, 15:10
- 1 vehicle, 1 casualty
Ref 2007600AN5038
Slight29 May 2007, 20:00
Vauxhall Corsa crash on the B4422 on the Isle of Anglesey, 29 May 2007, 20:00
- 1 vehicle, 1 casualty
Ref 2007600AN5018
Slight31 May 2006, 19:30
Volkswagen Vento crash on the B4422 on the Isle of Anglesey, 31 May 2006, 19:30
- Volkswagen Vento and a pedal cycle
- 2 vehicles, 1 casualty
Ref 2006600AN4019
Serious16 Nov 2005, 15:57
Citroen Saxo crash on the B4422 on the Isle of Anglesey, 16 Nov 2005, 15:57
- Citroen Saxo and Citroen ZX
- 2 vehicles, 1 casualty
Ref 2005600AN4058
Slight17 Jun 2005, 11:25
Car crash on the B4422 on the Isle of Anglesey, 17 Jun 2005, 11:25
- Car and a goods vehicle 7.5 tonnes and over
- 2 vehicles, 1 casualty
Ref 2005600AN5033
Slight12 Mar 2004, 12:05
Vauxhall Calibra crash on the B4422 on the Isle of Anglesey, 12 Mar 2004, 12:05
- Vauxhall Calibra and Renault Laguna
- 2 vehicles, 2 casualties
Ref 2004600AN5010
Fatal27 Sep 2003, 21:05
Saab 9-3 crash on the B4422 on the Isle of Anglesey, 27 Sep 2003, 21:05
- 1 vehicle, 1 casualty
Ref 2003600AN4044
Slight30 Jul 2003, 17:25
Peugeot 205 crash on the B4422 on the Isle of Anglesey, 30 Jul 2003, 17:25
- Peugeot 205 and Toyota Celica
- 2 vehicles, 1 casualty
Ref 2003600AN4031