A4 road traffic accidents
51,606 collisions recorded
1979 to 2025
The A4 appears in 51,606 collisions in the STATS19 data between 1979 and 2025, involving 64,372 casualties. Of these collisions, 761 were fatal and 8,308 were serious. Recorded collisions in 2025 were up 12% on 2024.
Is the A4 closed right now? See today's accidents, overnight closures and roadworks.
Live A4 closures todaySeverity Breakdown
- Fatal
- 761
- Serious
- 8,308
- Casualties
- 64,372
- Fatal
- 761
- Serious
- 8,308
- Casualties
- 64,372
Collisions by Year
2025
532
2024
474
2023
524
2022
567
2021
500
2020
400
2019
601
2018
619
2017
705
2016
718
2015
749
2014
742
2013
759
2012
801
2011
857
2010
812
2009
794
2008
800
2007
921
2006
919
2005
962
2004
963
2003
1,093
2002
1,167
2001
1,252
2000
1,304
1999
1,292
1998
1,302
1997
1,281
1996
1,266
1995
1,232
1994
1,262
1993
1,198
1992
1,123
1991
1,251
1990
1,505
1989
1,708
1988
1,625
1987
1,599
1986
1,620
1985
1,682
1984
1,756
1983
1,621
1982
1,666
1981
1,670
1980
1,682
1979
1,730
2025
532
2024
474
2023
524
2022
567
2021
500
2020
400
2019
601
2018
619
2017
705
2016
718
2015
749
2014
742
2013
759
2012
801
2011
857
2010
812
2009
794
2008
800
2007
921
2006
919
2005
962
2004
963
2003
1,093
2002
1,167
2001
1,252
2000
1,304
1999
1,292
1998
1,302
1997
1,281
1996
1,266
1995
1,232
1994
1,262
1993
1,198
1992
1,123
1991
1,251
1990
1,505
1989
1,708
1988
1,625
1987
1,599
1986
1,620
1985
1,682
1984
1,756
1983
1,621
1982
1,666
1981
1,670
1980
1,682
1979
1,730
Areas on the A4
Towns on the A4
Accidents on the A4
Fatal
Serious
Slight
Click markers for details
Move Insights
Thinking of moving to this area?
Check flood risk, planning history, EPC ratings and more with a Move Insights property report.
Flood risk assessment
Planning history
EPC ratings & more
Recent Accidents
Showing 20 of 51,606 accidents
Accident 1982010CB0182
Slight
1 vehicle
1 casualty
Van / Goods 3.5 tonnes mgw or under
View Details
Accident 198254CS01622
Serious
1 vehicle
1 casualty
Pedal cycle
View Details
Accident 1982010TC0376
Serious
1 vehicle
1 casualty
Vehicle
View Details
Accident 198248P530982
Slight
2 vehicles
1 casualty
Vehicle
Vehicle
View Details
Accident 1982010CV0161
Slight
2 vehicles
1 casualty
Vehicle
Vehicle
View Details
Accident 1982010TD0459
Slight
1 vehicle
1 casualty
Vehicle
View Details
Accident 1982010IW0532
Fatal
1 vehicle
1 casualty
Vehicle
View Details
Accident 198243C031082
Serious
2 vehicles
1 casualty
Vehicle
Pedal cycle
View Details
Accident 198243C025082
Slight
2 vehicles
1 casualty
Vehicle
Vehicle
View Details
Accident 198252ACE1102
Serious
1 vehicle
1 casualty
Bus or coach (17 or more pass seats)
View Details
Accident 1982010CB0178
Slight
1 vehicle
1 casualty
Vehicle
View Details
Accident 1982010TC0373
Slight
2 vehicles
1 casualty
Vehicle
Vehicle
View Details
Accident 198252BRO1039
Slight
1 vehicle
1 casualty
Vehicle
View Details
Accident 1982010IW0530
Serious
1 vehicle
1 casualty
Vehicle
View Details
Accident 198243C009082
Slight
2 vehicles
2 casualties
Vehicle
Bus or coach (17 or more pass seats)
View Details
Accident 1982010TC0371
Slight
1 vehicle
1 casualty
Vehicle
View Details
Accident 1982010CB0174
Slight
2 vehicles
1 casualty
Vehicle
Bus or coach (17 or more pass seats)
View Details
Accident 198243F007082
Slight
2 vehicles
1 casualty
Pedal cycle
Vehicle
View Details
Accident 198254CS01572
Slight
2 vehicles
1 casualty
Vehicle
Vehicle
View Details
Accident 198243C003082
Slight
2 vehicles
1 casualty
Vehicle
Motorcycle 50cc and under
View Details