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Road collisions in East Hertfordshire
Police recorded 915 road collisions involving injury in East Hertfordshire between 2021 and 2025, about 183 a year. 18 of them were fatal, and an estimated 185 involved serious injury once DfT's severity adjustment is applied. These are reported injury collisions only: damage-only incidents and unreported injuries are not included.
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When collisions happen
The busiest hour was 5pm to 6pm, and 32% of collisions happened between 3pm and 7pm (close to the 32% across Great Britain). Friday had the most collisions, and 24% happened at weekends.
Trend over time
Reported collisions went from 193 in 2021 to 157 in 2025, a fall of 19%. Counts are affected by traffic levels, population and changes in how police record injuries, so East Hertfordshire should not be ranked against other areas on these numbers alone.
Who is affected
Across East Hertfordshire, 1,302 people were injured or killed in these collisions. Pedestrians were 11% of casualties (14% across Great Britain), pedal cyclists 7% (12%) and motorcyclists 8% (12%). Car and taxi occupants made up 67%. 2 of the pedestrians were killed.
Children aged 0 to 15 were 7% of casualties, lower than the 9% national share. People aged 16 to 25 were 21% (21% nationally), and people over 65 were 10% (10% nationally).
| Road user | Casualties | Share in East Hertfordshire | Share across GB |
|---|---|---|---|
| Pedestrians | 143 | 11.0% | 14.5% |
| Pedal cyclists | 94 | 7.2% | 11.9% |
| Motorcyclists | 103 | 7.9% | 12.4% |
| Car and taxi occupants | 878 | 67.4% | 54.4% |
| Bus and minibus occupants | 2 | 0.2% | 1.8% |
| Van and goods vehicle occupants | 72 | 5.5% | 3.5% |
| Other road users | 10 | 0.8% | 1.6% |
Casualties by age
| Age | Casualties | Share in East Hertfordshire | Share across GB |
|---|---|---|---|
| 0 to 5 | 10 | 0.8% | 1.6% |
| 6 to 10 | 27 | 2.1% | 2.6% |
| 11 to 15 | 48 | 3.8% | 4.8% |
| 16 to 20 | 139 | 10.9% | 10.6% |
| 21 to 25 | 130 | 10.2% | 11.0% |
| 26 to 35 | 261 | 20.5% | 20.8% |
| 36 to 45 | 166 | 13.1% | 15.8% |
| 46 to 55 | 210 | 16.5% | 12.8% |
| 56 to 65 | 148 | 11.6% | 10.1% |
| 66 to 75 | 68 | 5.4% | 5.3% |
| Over 75 | 64 | 5.0% | 4.5% |
Vehicles involved
15.3% of collisions involved a pedestrian casualty (17.7% nationally), 10.3% a cyclist (15.0%) and 10.8% a motorcyclist (15.3%). 3.6% involved a goods vehicle (3.9% nationally) and 22.8% involved a driver aged 17 to 24 (21.1%). 6 collisions involved an e-scooter.
| Vehicle | Vehicles | Share in East Hertfordshire | Share across GB |
|---|---|---|---|
| Cars and taxis | 1,298 | 75.2% | 69.7% |
| Vans (up to 3.5 tonnes) | 156 | 9.0% | 6.4% |
| Heavy goods vehicles | 34 | 2.0% | 2.3% |
| Motorcycles | 104 | 6.0% | 9.3% |
| Pedal cycles | 96 | 5.6% | 8.7% |
| Buses and minibuses | 13 | 0.8% | 1.8% |
| Other vehicles | 26 | 1.5% | 1.8% |
Collision hotspots in East Hertfordshire
These are the 100 metre squares with the most reported collisions in 2021 to 2025. Location is the average position of the collisions in each square, so treat it as approximate.
| # | Where | Junction type | Collisions | Fatal | Map |
|---|---|---|---|---|---|
| 1 | Fore Street (A414) | Not at a junction | 9 | 0 | View on map |
| 2 | A10 | Not at a junction | 8 | 0 | View on map |
| 3 | Pepper Hill (A1170) | Roundabout | 8 | 0 | View on map |
| 4 | Ware Road (A1170) | Roundabout | 6 | 0 | View on map |
| 5 | Hallingbury Road (A1060) | T or staggered junction | 6 | 0 | View on map |
| 6 | Hadham Road (A120) | Roundabout | 6 | 0 | View on map |
| 7 | London Road (A1060) | Not at a junction | 5 | 0 | View on map |
| 8 | London Road (A1184) | T or staggered junction | 5 | 0 | View on map |
| 9 | Dunmow Road (A1250) | Crossroads | 5 | 0 | View on map |
| 10 | Hertingfordbury Road (A414) | Roundabout | 5 | 0 | View on map |
| 11 | Stanstead Road (A10) | Not at a junction | 5 | 0 | View on map |
| 12 | Eastwick Road (A414) | Not at a junction | 4 | 1 | View on map |
| 13 | Westmill Road (A602) | Not at a junction | 4 | 0 | View on map |
| 14 | Bonks Hill (A1184) | T or staggered junction | 4 | 0 | View on map |
| 15 | Amwell Hill (A1170) | T or staggered junction | 4 | 0 | View on map |
| 16 | A10 | Not at a junction | 4 | 0 | View on map |
| 17 | Mill Road | Not at a junction | 4 | 0 | View on map |
| 18 | North Street (B1529) | T or staggered junction | 4 | 0 | View on map |
| 19 | London Road (B1383) | T or staggered junction | 4 | 0 | View on map |
| 20 | Link Road (A1250) | Not at a junction | 4 | 0 | View on map |
| 21 | A602 | Roundabout | 4 | 0 | View on map |
| 22 | London Road (B1383) | T or staggered junction | 4 | 0 | View on map |
| 23 | High Street (A1170) | T or staggered junction | 4 | 0 | View on map |
| 24 | Great Hadham Road (A1184) | Roundabout | 4 | 0 | View on map |
| 25 | Church Lane (A414) | T or staggered junction | 4 | 0 | View on map |
Roads and streets with the most collisions
Each collision is matched to the nearest named road. Long roads and busy town centres collect the most, so this list shows where collisions are recorded, not which streets are riskiest.
| Road or street | Collisions | Fatal | Serious (est.) |
|---|---|---|---|
| London Road | 59 | 1 | 8 |
| High Street | 27 | 0 | 6 |
| Ware Road | 26 | 0 | 2 |
| Hadham Road | 20 | 0 | 7 |
| Westmill Road | 18 | 0 | 4 |
| Hertingfordbury Road | 14 | 0 | 4 |
| Dunmow Road | 13 | 0 | 2 |
| Stanstead Road | 12 | 0 | 3 |
| Wadesmill Road | 11 | 0 | 2 |
| North Road | 11 | 0 | 0 |
| Baldock Road | 11 | 0 | 3 |
| Eastwick Road | 11 | 0 | 1 |
| High Wych Road | 10 | 1 | 3 |
| White Stubbs Lane | 10 | 0 | 3 |
| Stansted Road | 10 | 0 | 4 |
Numbered roads with the most collisions
50% of collisions happened on roads with a 30 mph limit or lower (69% nationally), and 33% on roads with a 60 or 70 mph limit (18% nationally). 48% were at or within 20 metres of a junction or roundabout, lower than the national 54%.
| Road | Collisions | Fatal | Serious (est.) |
|---|---|---|---|
| A10 | 83 | 4 | 18 |
| A414 | 77 | 4 | 14 |
| A1184 | 52 | 0 | 8 |
| A120 | 45 | 2 | 11 |
| A602 | 41 | 1 | 7 |
| A1170 | 41 | 0 | 6 |
| B1004 | 40 | 0 | 10 |
| B1383 | 32 | 0 | 8 |
| A119 | 31 | 1 | 5 |
| A1250 | 29 | 0 | 6 |
| B158 | 25 | 1 | 5 |
| B1038 | 18 | 0 | 4 |
| B181 | 14 | 0 | 5 |
| B1502 | 12 | 0 | 3 |
| B1197 | 11 | 0 | 4 |
Only numbered roads are listed here. Named streets are in the table above.
Conditions
24% of collisions in East Hertfordshire happened in darkness, lower than the 28% across Great Britain. 40% happened on roads classed as urban, lower than the national 67%.
Type of road
| Type of road | Collisions | Share in East Hertfordshire | Share across GB |
|---|---|---|---|
| Motorway | 0 | 0.0% | 3.0% |
| A(M) road | 0 | 0.0% | 0.2% |
| A road | 420 | 45.9% | 44.0% |
| B road | 181 | 19.8% | 12.5% |
| C road | 0 | 0.0% | 4.4% |
| Unclassified road | 314 | 34.3% | 35.9% |
Speed limit
| Speed limit | Collisions | Share in East Hertfordshire | Share across GB |
|---|---|---|---|
| 20 mph | 39 | 4.3% | 17.1% |
| 30 mph | 414 | 45.2% | 52.0% |
| 40 mph | 125 | 13.7% | 8.7% |
| 50 mph | 33 | 3.6% | 4.4% |
| 60 mph | 224 | 24.5% | 12.2% |
| 70 mph | 80 | 8.7% | 5.5% |
Junctions
| Junctions | Collisions | Share in East Hertfordshire | Share across GB |
|---|---|---|---|
| Not at a junction | 475 | 52.3% | 45.9% |
| T or staggered junction | 261 | 28.7% | 28.5% |
| Crossroads | 30 | 3.3% | 9.5% |
| Junction with more than four arms | 1 | 0.1% | 1.6% |
| Private drive or entrance | 6 | 0.7% | 2.2% |
| Other junction | 35 | 3.9% | 6.1% |
| Roundabout | 101 | 11.1% | 6.2% |
Light conditions
| Light conditions | Collisions | Share in East Hertfordshire | Share across GB |
|---|---|---|---|
| Daylight | 691 | 75.5% | 71.7% |
| Darkness, street lights lit | 115 | 12.6% | 20.6% |
| Darkness, street lights unlit | 6 | 0.7% | 0.7% |
| Darkness, no street lighting | 89 | 9.7% | 5.3% |
| Darkness, lighting unknown | 14 | 1.5% | 1.7% |
Urban or rural
| Urban or rural | Collisions | Share in East Hertfordshire | Share across GB |
|---|---|---|---|
| Urban | 362 | 39.6% | 67.2% |
| Rural | 553 | 60.4% | 32.8% |
About these figures
Only collisions involving injury that were reported to the police are counted. The figures are not adjusted for traffic volume or population, so they should not be used to rank areas against each other. Serious and slight splits use the Department for Transport's severity adjustment. Full explanation.