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CrashStats

A1303 accidents: crash map and statistics

Police recorded 2,352 collisions on the A1303 from 1979 to 2025, with 3,175 casualties. Of those crashes, 44 were fatal and 533 serious, and 50 people were killed.

In 2025 there were 33 collisions on the A1303, up 10% from 30 in 2024, with 46 casualties.

Collisions since 1979
2,352
498th highest of 4,923 roads
Casualties
3,175
1.35 per collision
Fatal collisions
44
50 people killed
Serious collisions
533
624 seriously injured
Collisions in 2025
33
Up 10% on 2024
Casualties in 2025
46
Up 28% on 2024

Crash severity on the A1303

On the A1303, 1.9% of collisions were fatal and 23% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal441.9%
  • Serious53323%
  • Slight1,77575%

Where the A1303 ranks among 4,923 roads

Most collisions
498th
Most casualties
506th
Most fatal collisions
468th
Most serious collisions
392nd

A1303 accidents by year

Collisions on the A1303 peaked at 96 in 1989 and were down to 33 in 2025.

Collisions and casualties on the A1303, 1979 to 2025

  • Collisions
  • Collisions in 2025: 33
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20253346
20243036
20232331
20222744
20211826
20201517
20191823
20182028
20173039
20163855
20153336
20144156
20132743
20123748
20114055
20103856
20093045
20083540
20074261
20064459
20055166
20045372
20035578
200265102
20016183
20006399
19994871
199875103
19976581
199680101
19956999
199481108
19935981
199278108
19917196
199091115
198996139
198876112
19875260
19865976
19854455
19846783
19835471
19824552
19814865
19805462
19797393

When crashes happen on the A1303

Friday has the most collisions on the A1303 (390), and 3pm to 6pm is the busiest time of day (563).

Collisions by day of the week

  • Monday360 (15%)
  • Tuesday378 (16%)
  • Wednesday374 (16%)
  • Thursday356 (15%)
  • Friday390 (17%)
  • Saturday288 (12%)
  • Sunday206 (8.8%)

Collisions by time of day

  • Midnight to 3am63 (2.7%)
  • 3am to 6am24 (1%)
  • 6am to 9am359 (15%)
  • 9am to noon357 (15%)
  • Noon to 3pm380 (16%)
  • 3pm to 6pm563 (24%)
  • 6pm to 9pm409 (17%)
  • 9pm to midnight197 (8.4%)

Collisions by month

  • January203 (8.6%)
  • February158 (6.7%)
  • March202 (8.6%)
  • April156 (6.6%)
  • May183 (7.8%)
  • June194 (8.2%)
  • July200 (8.5%)
  • August190 (8.1%)
  • September201 (8.5%)
  • October214 (9.1%)
  • November267 (11%)
  • December184 (7.8%)

Light conditions at the time

  • Daylight1,698 (72%)
  • Dark, street lights lit390 (17%)
  • Dark, no street lighting186 (7.9%)
  • Dark, lighting unknown40 (1.7%)
  • Dark, street lights unlit38 (1.6%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in A1303 crashes

On the A1303, 44% of collisions happened where the speed limit was 30 mph and 65% on a dry road surface.

Speed limit at the scene

  • 10 mph2 (0.1%)
  • 20 mph5 (0.2%)
  • 30 mph1,042 (44%)
  • 40 mph294 (13%)
  • 50 mph62 (2.6%)
  • 60 mph876 (37%)
  • 70 mph70 (3%)
  • Not recorded1 (under 0.1%)

Weather at the time

  • Fine, no high winds1,826 (78%)
  • Raining, no high winds277 (12%)
  • Fine with high winds61 (2.6%)
  • Raining with high winds40 (1.7%)
  • Other92 (3.9%)
  • Not recorded56 (2.4%)

Road surface

  • Dry1,533 (65%)
  • Wet or damp757 (32%)
  • Frost or ice33 (1.4%)
  • Snow10 (0.4%)
  • Other2 (0.1%)
  • Not recorded17 (0.7%)

Type of road

  • Single carriageway1,828 (78%)
  • Dual carriageway233 (9.9%)
  • Roundabout217 (9.2%)
  • One way street or slip road57 (2.4%)
  • Not recorded17 (0.7%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in A1303 crashes

Car occupants make up 55% of the people killed or injured on the A1303, followed by cyclists (20%).

Casualties by road user

  • Car occupant1,747 (55%)
  • Cyclist645 (20%)
  • Motorcyclist443 (14%)
  • Pedestrian173 (5.4%)
  • Van occupant67 (2.1%)
  • Bus or coach occupant31 (1%)
  • Other68 (2.1%)
  • Not recorded1 (under 0.1%)

Vehicles involved

  • Car2,911 (65%)
  • Pedal cycle663 (15%)
  • Motorcycle453 (10%)
  • Van or goods vehicle up to 3.5 tonnes184 (4.1%)
  • Goods vehicle over 3.5 tonnes108 (2.4%)
  • Bus or coach69 (1.5%)
  • Other95 (2.1%)
  • Not recorded1 (under 0.1%)

Casualties by age

  • 0 to 535 (1.1%)
  • 6 to 1035 (1.1%)
  • 11 to 1585 (2.7%)
  • 16 to 20615 (19%)
  • 21 to 25535 (17%)
  • 26 to 35670 (21%)
  • 36 to 45411 (13%)
  • 46 to 55310 (9.8%)
  • 56 to 65205 (6.5%)
  • 66 to 75116 (3.7%)
  • Over 75108 (3.4%)
  • Not recorded50 (1.6%)

Drivers, passengers and pedestrians

  • Driver or rider2,343 (74%)
  • Passenger659 (21%)
  • Pedestrian173 (5.4%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the A1303

Map of the 25 most recent crashes on the A1303

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

  • 25 crashes
  • Serious
  • Slight

A1303 crashes by council area

Collisions on the A1303 were recorded in 3 council areas. Cambridge has the most, with 1,273, followed by South Cambridgeshire (820) and East Cambridgeshire (254).

Collisions on the A1303 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stCambridge1,2731,50210261
2ndSouth Cambridgeshire8201,22321198
3rdEast Cambridgeshire2544431274

A1303 crashes by town

Of the 2,352 collisions on the A1303, 1,247 were in the built-up area of Cambridge, Cambridge.

Recent crashes on the A1303

These are the 25 most recent collisions on the A1303, from 10 March to 16 December 2025.

Severity