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CrashStats

B1023 accidents: crash map and statistics

Police recorded 555 collisions on the B1023 from 1979 to 2025, with 745 casualties. Of those crashes, 7 were fatal and 132 serious, and 8 people were killed.

In 2025 there were 7 collisions on the B1023, down 13% from 8 in 2024, with 7 casualties.

Collisions since 1979
555
1,805th highest of 4,923 roads
Casualties
745
1.34 per collision
Fatal collisions
7
8 people killed
Serious collisions
132
163 seriously injured
Collisions in 2025
7
Down 13% on 2024
Casualties in 2025
7
Down 22% on 2024

Crash severity on the B1023

On the B1023, 1.3% of collisions were fatal and 24% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal71.3%
  • Serious13224%
  • Slight41675%

Where the B1023 ranks among 4,923 roads

Most collisions
1,805th
Most casualties
1,831st
Most fatal collisions
2,103rd
Most serious collisions
1,531st

B1023 accidents by year

Collisions on the B1023 peaked at 25 in 1989 and were down to 7 in 2025.

Collisions and casualties on the B1023, 1979 to 2025

  • Collisions
  • Collisions in 2025: 7
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202577
202489
2023611
2022911
202111
202077
201969
201835
201766
2016614
201545
201434
20131016
2012710
20111016
201045
200977
20081113
2007812
20061318
20051216
20041616
20031114
2002914
20011519
2000913
19991419
19981517
19971620
19961114
19951619
19941313
19932030
19922126
19911114
19902127
19892533
19881419
19871520
19862232
19851725
19841219
19831418
19821926
19812232
19801122
19791822

When crashes happen on the B1023

Friday has the most collisions on the B1023 (95), and 3pm to 6pm is the busiest time of day (131).

Collisions by day of the week

  • Monday86 (15%)
  • Tuesday71 (13%)
  • Wednesday81 (15%)
  • Thursday65 (12%)
  • Friday95 (17%)
  • Saturday86 (15%)
  • Sunday71 (13%)

Collisions by time of day

  • Midnight to 3am15 (2.7%)
  • 3am to 6am7 (1.3%)
  • 6am to 9am74 (13%)
  • 9am to noon85 (15%)
  • Noon to 3pm75 (14%)
  • 3pm to 6pm131 (24%)
  • 6pm to 9pm106 (19%)
  • 9pm to midnight62 (11%)

Collisions by month

  • January55 (9.9%)
  • February30 (5.4%)
  • March40 (7.2%)
  • April47 (8.5%)
  • May46 (8.3%)
  • June55 (9.9%)
  • July44 (7.9%)
  • August45 (8.1%)
  • September45 (8.1%)
  • October45 (8.1%)
  • November44 (7.9%)
  • December59 (11%)

Light conditions at the time

  • Daylight390 (70%)
  • Dark, no street lighting105 (19%)
  • Dark, street lights lit57 (10%)
  • Dark, lighting unknown3 (0.5%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B1023 crashes

On the B1023, 50% of collisions happened where the speed limit was 30 mph and 58% on a dry road surface.

Speed limit at the scene

  • 30 mph278 (50%)
  • 40 mph45 (8.1%)
  • 50 mph52 (9.4%)
  • 60 mph166 (30%)
  • 70 mph14 (2.5%)

Weather at the time

  • Fine, no high winds433 (78%)
  • Raining, no high winds84 (15%)
  • Fog or mist8 (1.4%)
  • Raining with high winds6 (1.1%)
  • Other21 (3.8%)
  • Not recorded3 (0.5%)

Road surface

  • Dry322 (58%)
  • Wet or damp204 (37%)
  • Frost or ice24 (4.3%)
  • Flood over 3cm deep3 (0.5%)
  • Snow2 (0.4%)

Type of road

  • Single carriageway539 (97%)
  • Dual carriageway6 (1.1%)
  • Roundabout5 (0.9%)
  • One way street or slip road4 (0.7%)
  • Not recorded1 (0.2%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B1023 crashes

Car occupants make up 62% of the people killed or injured on the B1023, followed by motorcyclists (12%).

Casualties by road user

  • Car occupant463 (62%)
  • Motorcyclist89 (12%)
  • Pedestrian77 (10%)
  • Cyclist68 (9.1%)
  • Van occupant34 (4.6%)
  • Goods vehicle occupant (over 3.5 tonnes)7 (0.9%)
  • Bus or coach occupant2 (0.3%)
  • Other5 (0.7%)

Vehicles involved

  • Car697 (72%)
  • Motorcycle85 (8.7%)
  • Pedal cycle70 (7.2%)
  • Van or goods vehicle up to 3.5 tonnes59 (6.1%)
  • Goods vehicle over 3.5 tonnes30 (3.1%)
  • Bus or coach11 (1.1%)
  • Other19 (2%)
  • Not recorded1 (0.1%)

Casualties by age

  • 0 to 510 (1.3%)
  • 6 to 1029 (3.9%)
  • 11 to 1547 (6.3%)
  • 16 to 20177 (24%)
  • 21 to 2590 (12%)
  • 26 to 35106 (14%)
  • 36 to 4593 (12%)
  • 46 to 5573 (9.8%)
  • 56 to 6546 (6.2%)
  • 66 to 7530 (4%)
  • Over 7526 (3.5%)
  • Not recorded18 (2.4%)

Drivers, passengers and pedestrians

  • Driver or rider480 (64%)
  • Passenger188 (25%)
  • Pedestrian77 (10%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B1023

Map of the 25 most recent crashes on the B1023

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

  • 25 crashes
  • Serious
  • Slight

B1023 crashes by council area

Collisions on the B1023 were recorded in 6 council areas. Colchester has the most, with 298, followed by Maldon (198) and Braintree (43).

Collisions on the B1023 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stColchester298406663
2ndMaldon198256154
3rdBraintree4361012
4thBrentwood6901
5thChelmsford4600
6thTendring3401

B1023 crashes by town

Collisions on the B1023 were recorded in 3 towns and built-up areas, led by Tiptree (185) and Kelvedon and Feering (18).

Recent crashes on the B1023

These are the 25 most recent collisions on the B1023, from 27 May 2022 to 7 December 2025.

Severity