Crash View

A421 road traffic accidents

5,542 collisions recorded
1979 to 2025

The A421 appears in 5,542 collisions in the STATS19 data between 1979 and 2025, involving 8,500 casualties. Of these collisions, 181 were fatal and 856 were serious. Recorded collisions in 2025 were down 23% on 2024.

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Live A421 closures today
All Severities Fatal Serious Slight
Fatal
181
Serious
856
Casualties
8,500
2025 59
2024 77
2023 62
2022 73
2021 71
2020 68
2019 102
2018 91
2017 108
2016 108
2015 115
2014 117
2013 112
2012 118
2011 108
2010 101
2009 114
2008 126
2007 154
2006 135
2005 139
2004 177
2003 125
2002 157
2001 187
2000 177
1999 162
1998 192
1997 202
1996 151
1995 131
1994 149
1993 110
1992 136
1991 108
1990 133
1989 131
1988 127
1987 125
1986 130
1985 107
1984 92
1983 83
1982 70
1981 74
1980 61
1979 87

Milton Keynes

1,467 recorded here

Aylesbury Vale

541 recorded here

Bedford

399 recorded here

Central Bedfordshire

322 recorded here

Bicester

227 recorded here

Buckinghamshire

50 recorded here

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Milton Keynes

109 recorded along the A421

Bletchley

98 recorded along the A421

Buckingham

67 recorded along the A421

Marston Moretaine

40 recorded along the A421

Bedford

38 recorded along the A421

Kempston

31 recorded along the A421

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Accidents on the A421

Fatal
Serious
Slight
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Recent Accidents

Showing 20 of 5,542 accidents

Accident 2025430168729

Slight
52.0340, -0.6923
2 vehicles 1 casualty
BMW 1 SERIES Car
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Accident 2025401576239

Slight
52.0278, -0.6034
2 vehicles 1 casualty
BMW I4 VOLKSWAGEN GOLF
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Accident 2025430152516

Slight
52.0170, -0.7449
2 vehicles 1 casualty
MERCEDES CLK CLASS TOYOTA AURIS
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Accident 2025401567199

Slight
52.1006, -0.5099
2 vehicles 1 casualty
MG HS PEUGEOT EXPERT
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Accident 2025401574835

Serious
52.1035, -0.5032
3 vehicles 1 casualty
MAKE AND MODEL REDACTED VAUXHALL ASTRA TOYOTA C-HR
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Accident 2025430135604

Slight
51.9880, -0.7891
3 vehicles 1 casualty
MERCEDES CLS CLASS FORD TRANSIT FORD TRANSIT
View Details

Accident 2025430113118

Slight
51.9900, -0.9811
1 vehicle 2 casualties
HONDA WW125
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Accident 2025430105477

Slight
52.0332, -0.6791
3 vehicles 1 casualty
VOLKSWAGEN CADDY DAF TRUCKS MODEL MISSING FORD TRANSIT
View Details

Accident 2025401566320

Slight
52.1074, -0.4748
2 vehicles 1 casualty
KAWASAKI ZX CITROEN C3
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Accident 2025430104945

Slight
52.0171, -0.7446
2 vehicles 2 casualties
BMW X5 VAUXHALL ASTRA
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Accident 2025430095520

Slight
52.0067, -0.7599
2 vehicles 1 casualty
Car Vehicle
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Accident 2025430092587

Slight
52.0211, -0.7406
2 vehicles 1 casualty
FIAT PUNTO Goods over 3.5t. and under 7.5t
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Accident 2025401564969

Slight
52.1052, -0.4947
4 vehicles 2 casualties
LAND ROVER DISCOVERY MAN MODEL MISSING CUPRA LEON FORD FOCUS
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Accident 2025430074574

Slight
52.0283, -0.7133
2 vehicles 1 casualty
HONDA WW125 Car
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Accident 2025430065554

Slight
51.9858, -0.8159
2 vehicles 2 casualties
TOYOTA YARIS FORD FOCUS
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Accident 2025430050498

Slight
52.0332, -0.6787
2 vehicles 1 casualty
VAUXHALL ASTRA Car
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Accident 2025401549615

Slight
52.1081, -0.4763
2 vehicles 1 casualty
VAUXHALL COMBO MERCEDES A CLASS
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Accident 2025401544690

Slight
52.1053, -0.4950
3 vehicles 1 casualty
VAUXHALL CORSA AUDI Q2 AUDI A3
View Details

Accident 2025430012267

Slight
52.0336, -0.6989
2 vehicles 1 casualty
CITROEN C1 BMW X1
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Accident 2024401539751

Slight
52.0269, -0.6094
2 vehicles 1 casualty
LAND ROVER RANGE ROVER (4y) VAUXHALL ASTRA
View Details