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Road collisions in South Oxfordshire
Police recorded 759 road collisions involving injury in South Oxfordshire between 2021 and 2025, about 152 a year. 27 of them were fatal, and an estimated 217 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 3pm to 4pm, and 30% of collisions happened between 3pm and 7pm (lower than the 32% across Great Britain). Friday had the most collisions, and 25% happened at weekends.
Trend over time
Reported collisions went from 153 in 2021 to 144 in 2025, a fall of 6%. Counts are affected by traffic levels, population and changes in how police record injuries, so South Oxfordshire should not be ranked against other areas on these numbers alone.
Who is affected
Across South Oxfordshire, 961 people were injured or killed in these collisions. Pedestrians were 9% of casualties (14% across Great Britain), pedal cyclists 13% (12%) and motorcyclists 13% (12%). Car and taxi occupants made up 61%. 4 of the pedestrians were killed.
Children aged 0 to 15 were 6% of casualties, lower than the 9% national share. People aged 16 to 25 were 20% (21% nationally), and people over 65 were 13% (10% nationally).
| Road user | Casualties | Share in South Oxfordshire | Share across GB |
|---|---|---|---|
| Pedestrians | 89 | 9.3% | 14.5% |
| Pedal cyclists | 121 | 12.6% | 11.9% |
| Motorcyclists | 121 | 12.6% | 12.4% |
| Car and taxi occupants | 583 | 60.7% | 54.4% |
| Bus and minibus occupants | 10 | 1.0% | 1.8% |
| Van and goods vehicle occupants | 32 | 3.3% | 3.5% |
| Other road users | 5 | 0.5% | 1.6% |
Casualties by age
| Age | Casualties | Share in South Oxfordshire | Share across GB |
|---|---|---|---|
| 0 to 5 | 9 | 1.0% | 1.6% |
| 6 to 10 | 16 | 1.7% | 2.6% |
| 11 to 15 | 33 | 3.5% | 4.8% |
| 16 to 20 | 87 | 9.2% | 10.6% |
| 21 to 25 | 106 | 11.2% | 11.0% |
| 26 to 35 | 171 | 18.1% | 20.8% |
| 36 to 45 | 152 | 16.1% | 15.8% |
| 46 to 55 | 143 | 15.2% | 12.8% |
| 56 to 65 | 105 | 11.1% | 10.1% |
| 66 to 75 | 55 | 5.8% | 5.3% |
| Over 75 | 66 | 7.0% | 4.5% |
Vehicles involved
11.1% of collisions involved a pedestrian casualty (17.7% nationally), 15.7% a cyclist (15.0%) and 15.8% a motorcyclist (15.3%). 4.7% involved a goods vehicle (3.9% nationally) and 22.7% involved a driver aged 17 to 24 (21.1%). 4 collisions involved an e-scooter.
| Vehicle | Vehicles | Share in South Oxfordshire | Share across GB |
|---|---|---|---|
| Cars and taxis | 953 | 69.6% | 69.7% |
| Vans (up to 3.5 tonnes) | 99 | 7.2% | 6.4% |
| Heavy goods vehicles | 38 | 2.8% | 2.3% |
| Motorcycles | 121 | 8.8% | 9.3% |
| Pedal cycles | 127 | 9.3% | 8.7% |
| Buses and minibuses | 17 | 1.2% | 1.8% |
| Other vehicles | 15 | 1.1% | 1.8% |
Collision hotspots in South Oxfordshire
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 | Foxhall Road (B4493) | Roundabout | 8 | 0 | View on map |
| 2 | Wantage Road (B4493) | Not at a junction | 5 | 0 | View on map |
| 3 | A4074 | Roundabout | 5 | 0 | View on map |
| 4 | Red Lane (A4074) | T or staggered junction | 5 | 0 | View on map |
| 5 | M40 | Not at a junction | 4 | 1 | View on map |
| 6 | Southern Bypass Road (A423) | Roundabout | 4 | 0 | View on map |
| 7 | Northfield End (A4130) | Roundabout | 4 | 0 | View on map |
| 8 | Cuddesdon Road | T or staggered junction | 4 | 0 | View on map |
| 9 | London Road | Private drive or entrance | 4 | 0 | View on map |
| 10 | A418 | Not at a 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 | 30 | 0 | 12 |
| Oxford Road | 27 | 2 | 6 |
| High Street | 20 | 0 | 3 |
| Reading Road | 20 | 0 | 10 |
| Wantage Road | 15 | 0 | 2 |
| Broadway | 14 | 0 | 3 |
| Thame Road | 13 | 0 | 4 |
| Henley Road | 11 | 0 | 4 |
| Rycote Lane | 11 | 1 | 4 |
| Southern Bypass Road | 10 | 0 | 1 |
| Abingdon Road | 10 | 0 | 4 |
| Wallingford Road | 9 | 1 | 1 |
| Port Way | 7 | 1 | 2 |
| Tythrop Way | 7 | 1 | 2 |
| Watlington Road | 6 | 0 | 4 |
Numbered roads with the most collisions
41% of collisions happened on roads with a 30 mph limit or lower (69% nationally), and 29% on roads with a 60 or 70 mph limit (18% nationally). 42% were at or within 20 metres of a junction or roundabout, lower than the national 54%.
| Road | Collisions | Fatal | Serious (est.) |
|---|---|---|---|
| A4074 | 84 | 5 | 33 |
| A4130 | 52 | 5 | 14 |
| M40 | 49 | 2 | 12 |
| B4009 | 31 | 0 | 10 |
| A329 | 30 | 2 | 9 |
| A40 | 30 | 0 | 13 |
| B480 | 27 | 1 | 10 |
| A418 | 26 | 2 | 7 |
| A4155 | 25 | 1 | 9 |
| B4493 | 23 | 0 | 3 |
| B4445 | 14 | 0 | 6 |
| B471 | 13 | 0 | 3 |
| A417 | 12 | 1 | 6 |
| B481 | 11 | 0 | 3 |
| A415 | 11 | 1 | 4 |
Only numbered roads are listed here. Named streets are in the table above.
Conditions
28% of collisions in South Oxfordshire happened in darkness, close to the 28% across Great Britain. 24% happened on roads classed as urban, lower than the national 67%.
Type of road
| Type of road | Collisions | Share in South Oxfordshire | Share across GB |
|---|---|---|---|
| Motorway | 49 | 6.5% | 3.0% |
| A(M) road | 0 | 0.0% | 0.2% |
| A road | 291 | 38.3% | 44.0% |
| B road | 163 | 21.5% | 12.5% |
| C road | 1 | 0.1% | 4.4% |
| Unclassified road | 255 | 33.6% | 35.9% |
Speed limit
| Speed limit | Collisions | Share in South Oxfordshire | Share across GB |
|---|---|---|---|
| 20 mph | 74 | 9.7% | 17.1% |
| 30 mph | 239 | 31.5% | 52.0% |
| 40 mph | 66 | 8.7% | 8.7% |
| 50 mph | 158 | 20.8% | 4.4% |
| 60 mph | 153 | 20.2% | 12.2% |
| 70 mph | 69 | 9.1% | 5.5% |
Junctions
| Junctions | Collisions | Share in South Oxfordshire | Share across GB |
|---|---|---|---|
| Not at a junction | 439 | 57.8% | 45.9% |
| T or staggered junction | 202 | 26.6% | 28.5% |
| Crossroads | 17 | 2.2% | 9.5% |
| Junction with more than four arms | 2 | 0.3% | 1.6% |
| Private drive or entrance | 40 | 5.3% | 2.2% |
| Other junction | 12 | 1.6% | 6.1% |
| Roundabout | 47 | 6.2% | 6.2% |
Light conditions
| Light conditions | Collisions | Share in South Oxfordshire | Share across GB |
|---|---|---|---|
| Daylight | 550 | 72.5% | 71.7% |
| Darkness, street lights lit | 71 | 9.4% | 20.6% |
| Darkness, street lights unlit | 2 | 0.3% | 0.7% |
| Darkness, no street lighting | 136 | 17.9% | 5.3% |
| Darkness, lighting unknown | 0 | 0.0% | 1.7% |
Urban or rural
| Urban or rural | Collisions | Share in South Oxfordshire | Share across GB |
|---|---|---|---|
| Urban | 179 | 23.6% | 67.2% |
| Rural | 580 | 76.4% | 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.