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CrashStats

B5420 accidents: crash map and statistics

Police recorded 185 collisions on the B5420 from 1980 to 2022, with 267 casualties. Of those crashes, 1 was fatal and 48 serious, and 1 person was killed.

The last recorded collision on the B5420 was on 25 May 2022.

Collisions since 1980
185
3,332nd highest of 4,923 roads
Casualties
267
1.44 per collision
Fatal collisions
1
1 person killed
Serious collisions
48
56 seriously injured
Last recorded collision
25 May 2022
Busiest year
1998
13 collisions

Crash severity on the B5420

On the B5420, 0.5% of collisions were fatal and 26% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1980 to 2022

  • Fatal10.5%
  • Serious4826%
  • Slight13674%

Where the B5420 ranks among 4,923 roads

Most collisions
3,332nd
Most casualties
3,271st
Most fatal collisions
3,933rd
Most serious collisions
3,024th

B5420 accidents by year

Collisions on the B5420 peaked at 13 in 1998, and none have been recorded since 2022.

Collisions and casualties on the B5420, 1980 to 2022

  • Collisions
  • Collisions in 2022: 1
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202212
202135
202011
201922
201811
201700
201622
201578
201426
201344
201256
201145
2010510
200966
200822
200723
200611
200533
2004810
200334
20021012
2001910
2000510
199944
19981315
1997714
19961015
1995610
199411
199389
19921120
1991917
1990717
1989612
198845
198711
198622
198556
198434
198311
198200
198100
198011

When crashes happen on the B5420

Thursday has the most collisions on the B5420 (41), and 3pm to 6pm is the busiest time of day (47).

Collisions by day of the week

  • Monday23 (12%)
  • Tuesday31 (17%)
  • Wednesday20 (11%)
  • Thursday41 (22%)
  • Friday27 (15%)
  • Saturday26 (14%)
  • Sunday17 (9.2%)

Collisions by time of day

  • Midnight to 3am5 (2.7%)
  • 3am to 6am0 (0%)
  • 6am to 9am23 (12%)
  • 9am to noon37 (20%)
  • Noon to 3pm29 (16%)
  • 3pm to 6pm47 (25%)
  • 6pm to 9pm33 (18%)
  • 9pm to midnight11 (5.9%)

Collisions by month

  • January12 (6.5%)
  • February14 (7.6%)
  • March20 (11%)
  • April13 (7%)
  • May14 (7.6%)
  • June17 (9.2%)
  • July11 (5.9%)
  • August12 (6.5%)
  • September15 (8.1%)
  • October24 (13%)
  • November21 (11%)
  • December12 (6.5%)

Light conditions at the time

  • Daylight148 (80%)
  • Dark, no street lighting26 (14%)
  • Dark, street lights lit8 (4.3%)
  • Dark, street lights unlit2 (1.1%)
  • Dark, lighting unknown1 (0.5%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B5420 crashes

On the B5420, 49% of collisions happened where the speed limit was 60 mph and 50% on a wet or damp road surface.

Speed limit at the scene

  • 30 mph81 (44%)
  • 40 mph10 (5.4%)
  • 50 mph3 (1.6%)
  • 60 mph90 (49%)
  • 70 mph1 (0.5%)

Weather at the time

  • Fine, no high winds125 (68%)
  • Raining, no high winds41 (22%)
  • Raining with high winds8 (4.3%)
  • Fine with high winds6 (3.2%)
  • Other5 (2.7%)

Road surface

  • Wet or damp92 (50%)
  • Dry90 (49%)
  • Frost or ice2 (1.1%)
  • Snow1 (0.5%)

Type of road

  • Single carriageway175 (95%)
  • Roundabout7 (3.8%)
  • One way street or slip road2 (1.1%)
  • Not recorded1 (0.5%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B5420 crashes

Car occupants make up 76% of the people killed or injured on the B5420, followed by pedestrians (8.2%).

Casualties by road user

  • Car occupant203 (76%)
  • Pedestrian22 (8.2%)
  • Cyclist16 (6%)
  • Motorcyclist13 (4.9%)
  • Goods vehicle occupant (over 3.5 tonnes)3 (1.1%)
  • Other vehicle occupant3 (1.1%)
  • Bus or coach occupant2 (0.7%)
  • Other5 (1.9%)

Vehicles involved

  • Car259 (81%)
  • Pedal cycle16 (5%)
  • Motorcycle15 (4.7%)
  • Goods vehicle over 3.5 tonnes7 (2.2%)
  • Van or goods vehicle up to 3.5 tonnes7 (2.2%)
  • Bus or coach6 (1.9%)
  • Other vehicle4 (1.3%)
  • Other6 (1.9%)

Casualties by age

  • 0 to 55 (1.9%)
  • 6 to 1010 (3.7%)
  • 11 to 1521 (7.9%)
  • 16 to 2069 (26%)
  • 21 to 2533 (12%)
  • 26 to 3542 (16%)
  • 36 to 4536 (13%)
  • 46 to 5517 (6.4%)
  • 56 to 6517 (6.4%)
  • 66 to 7512 (4.5%)
  • Over 754 (1.5%)
  • Not recorded1 (0.4%)

Drivers, passengers and pedestrians

  • Driver or rider166 (62%)
  • Passenger79 (30%)
  • Pedestrian22 (8.2%)

Source: Department for Transport, STATS19 road safety data

Map of the latest recorded crashes on the B5420

Map of the 25 latest recorded crashes on the B5420

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

  • 25 crashes
  • Serious
  • Slight

B5420 crashes by council area

All 185 collisions on the B5420 were in Isle of Anglesey.

Collisions on the B5420 in each area, 1980 to 2022
RankAreaCollisionsCasualtiesFatalSerious
1stIsle of Anglesey185267148

B5420 crashes by town

Collisions on the B5420 were recorded in 2 towns and built-up areas, led by Menai Bridge (49) and Llangefni (20).

Latest recorded crashes on the B5420

These are the 25 latest recorded collisions on the B5420, from 24 May 2012 to 25 May 2022.

Severity