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CrashStats

TW15 road accidents: crash map and statistics

Police recorded 3,634 road traffic collisions in the TW15 postcode district, Spelthorne, from 1982 to 2025, and 4,556 people were killed or injured in them. Of those collisions, 33 were fatal and 572 were serious.

In 2025 police recorded 46 collisions, up 5% on 2024 (44).

Collisions since 1982
3,634
1,018th highest of 2,813 postcode districts
Casualties
4,556
1.25 per collision
Fatal collisions
33
34 people killed
Serious collisions
572
642 seriously injured
Collisions in 2025
46
Up 5% on 2024
Casualties in 2025
55
Down 4% on 2024

Road collision statistics for TW15

Collisions by severity, 1982 to 2025

  • Fatal330.9%
  • Serious57216%
  • Slight3,02983%

What the data shows

  • TW15 had 558 collisions from 2016 to 2025, 18% fewer than the 681 from 2006 to 2015.
  • 17% of collisions in TW15 were fatal or serious, against 20% across Great Britain.
  • 544 children under 16 were killed or injured in TW15, 13% of the casualties whose age was recorded.
  • The road surface was wet, icy, snowy or flooded in 26% of collisions in TW15.

Where TW15 ranks among 2,813 postcode districts

Most collisions
1,018th
Most casualties
1,138th
Most fatal collisions
1,756th
Most serious collisions
1,292nd

Collisions by day of the week

  • Monday561 (15%)
  • Tuesday582 (16%)
  • Wednesday568 (16%)
  • Thursday544 (15%)
  • Friday594 (16%)
  • Saturday464 (13%)
  • Sunday321 (8.8%)

Light conditions

  • Daylight2,551 (70%)
  • Dark, street lights lit957 (26%)
  • Dark, lighting unknown79 (2.2%)
  • Dark, no street lighting27 (0.7%)
  • Dark, street lights unlit20 (0.6%)

Type of road

  • Single carriageway2,427 (67%)
  • Dual carriageway821 (23%)
  • Roundabout305 (8.4%)
  • One way street or slip road47 (1.3%)
  • Not recorded34 (0.9%)

Speed limit at the scene

  • 20 mph18 (0.5%)
  • 30 mph2,821 (78%)
  • 40 mph358 (9.9%)
  • 50 mph330 (9.1%)
  • 60 mph34 (0.9%)
  • 70 mph73 (2%)

Weather at the time

  • Fine, no high winds2,939 (81%)
  • Raining, no high winds427 (12%)
  • Fine with high winds56 (1.5%)
  • Raining with high winds37 (1%)
  • Fog or mist16 (0.4%)
  • Snowing, no high winds8 (0.2%)
  • Other64 (1.8%)
  • Not recorded87 (2.4%)

Who was hurt

  • Car occupant2,488 (55%)
  • Cyclist685 (15%)
  • Pedestrian583 (13%)
  • Motorcyclist582 (13%)
  • Van occupant104 (2.3%)
  • Bus or coach occupant53 (1.2%)
  • Other vehicle occupant32 (0.7%)
  • Goods vehicle occupant (over 3.5 tonnes)8 (0.2%)
  • Taxi or private hire car occupant7 (0.2%)
  • Mobility scooter rider3 (0.1%)
  • Other5 (0.1%)
  • Not recorded6 (0.1%)

Source: Department for Transport, STATS19 road safety data

TW15 road accidents by year

Collisions and casualties in TW15, 1982 to 2025

Collisions in TW15 peaked at 141 in 1986; 2025 had 46.

  • Collisions
  • Collisions in 2025: 46
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20254655
20244457
20236274
20226276
20216274
20204549
20194851
20185868
20175988
20167278
20156278
20146588
20135469
20126579
201172104
201065100
200981119
200871102
20076687
200680102
200577101
20047094
200370104
200286114
20016591
20005469
1999101130
19988394
1997117138
199690115
1995105143
199490119
199399122
199296123
199191107
1990125147
198997116
1988117133
1987109125
1986141167
1985127157
1984141170
1983131144
1982113135

Map of recent crashes in TW15

Map of the 24 most recent crashes in TW15

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

  • 24 crashes
  • Serious
  • Slight

Recent road crashes in TW15

The 24 most recent collisions in TW15 happened between 8 July and 25 December 2025.

Severity

Crashes by road in TW15

The B378 has the most collisions in TW15, 785 of 3,634 (22%), followed by the A308 (728).

Collisions in TW15 on each road, 1982 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stB3787859341131
2ndA30872896314121
3rdB377537680377
4thA30198264746
5thB300397110111
6thB3768901
7thA3786902
8thB14500
9thA3773301

Council areas covering TW15

Collisions in TW15 were recorded in 5 council areas. Spelthorne has 3,584 of 3,634 (99%).

Collisions in TW15 by council area, 1982 to 2025
RankCouncil areaCollisionsCasualtiesFatalSerious
1stSpelthorne3,5844,49233566
2ndHounslow364603
3rdHeathrow Airport5600
4thHillingdon3501
5thRichmond upon Thames3400

Towns in TW15

Collisions in TW15 were recorded in 4 towns, led by Ashford, Spelthorne (2,219) and Ashford Common (565).