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 2025401651745

Slight
52.0256, -0.6043
2 vehicles 1 casualty
Car Car
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Accident 2025430466104

Slight
51.9950, -1.0135
2 vehicles 1 casualty
MITSUBISHI COLT Pedal cycle
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Accident 2025430439726

Slight
51.9840, -0.8777
2 vehicles 1 casualty
VOLKSWAGEN CRAFTER VAUXHALL ASTRA
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Accident 2025401642261

Slight
52.1079, -0.4767
2 vehicles 1 casualty
JAGUAR I-PACE MERCEDES C CLASS
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Accident 2025401637786

Slight
52.1041, -0.5052
2 vehicles 1 casualty
TOYOTA C-HR Pedal cycle
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Accident 2025401635828

Slight
52.0269, -0.6096
2 vehicles 1 casualty
YAMAHA MODEL MISSING TOYOTA AURIS
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Accident 2025430411133

Slight
52.0223, -0.7384
2 vehicles 1 casualty
BMW X1 VOLKSWAGEN GOLF
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Accident 2025430411533

Slight
51.9922, -0.9275
2 vehicles 1 casualty
Car Pedal cycle
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Accident 2025430336369

Slight
51.9952, -1.0107
1 vehicle 1 casualty
YAMAHA YZF
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Accident 2025430307905

Serious
52.0313, -0.7073
2 vehicles 1 casualty
HONDA CBF 125 TOYOTA AURIS
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Accident 2025401616925

Slight
52.1075, -0.4747
2 vehicles 2 casualties
RENAULT TRUCKS MASTER VOLKSWAGEN POLO
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Accident 2025401600142

Serious
52.0333, -0.6330
2 vehicles 2 casualties
MERCEDES E CLASS FORD MONDEO
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Accident 2025430273653

Slight
51.9860, -0.8131
1 vehicle 1 casualty
DAF TRUCKS MODEL MISSING
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Accident 2025401592442

Serious
52.1051, -0.4957
1 vehicle 1 casualty
Motorcycle 125cc and under
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Accident 2025401593399

Serious
52.0277, -0.6034
2 vehicles 1 casualty
AUDI S4 Pedal cycle
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Accident 2025401670114

Serious
52.1106, -0.4640
4 vehicles 4 casualties
TESLA MODEL Y KIA RIO BMW 3 SERIES BMW 3 SERIES
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Accident 2025401583793

Slight
52.1076, -0.4745
2 vehicles 1 casualty
VAUXHALL VIVA NISSAN QASHQAI
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Accident 2025401593351

Slight
52.1080, -0.4766
2 vehicles 2 casualties
SEAT LEON VOLKSWAGEN GOLF
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Accident 2025401580724

Slight
52.1080, -0.4764
2 vehicles 1 casualty
VAUXHALL CORSA VAUXHALL MERIVA
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Accident 2025430178157

Slight
51.9864, -0.8054
2 vehicles 2 casualties
MAKE AND MODEL REDACTED JAGUAR F-PACE
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