County council · England

Road risk in Gloucestershire

Gloucestershire ranks 83 of 192 British highway authorities on our road risk score. Here is what the official record shows, and how it compares.

Above averageRisk score 53.2/100ONS code E10000013

Police recorded 856 injury collisions in Gloucestershire in 2025, hurting 1,143 people, of whom 278 were killed or seriously injured and 25 were killed. Set against the traffic its roads actually carry, that is 75.2 killed or seriously injured per billion vehicle miles, 7% below the median ranked authority (80.5).

Collisions: 856 in 2025
People hurt: 1,143 casualties
Killed or seriously injured: 278
Killed: 25
KSI per billion vehicle miles: 75.2 (median 80.5)
KSI, three-year average: 294.1 a year
Severity-adjusted KSI, 2025: 305 (recorded: 278)
Severity-adjusted KSI, three-year average: 332 a year (recorded: 294.1)
KSI per 100,000 residents: 41.4 — rank 68
Population: 671,908
Risk score: 53.2/100 — rank 83 of 192

Compiled by Stephen Hall, Data lead, Swift Assist. Source: DfT STATS19 and DfT road traffic estimates (2025), OGL v3. Updated 2026-10-08.

Direction of travel

Five years of collisions in Gloucestershire

Across 2021–2025, recorded collisions were up 14.3%, with 2023 the worst year of the period at 1,076 collisions.

Collisions per year in Gloucestershire

2025: 856 (down 16.9% on the year before) · peak 1,076 in 2023 · +14.3% across the period

Axis clipped to the data range to show year-on-year movement.

Two ways of measuring

Gloucestershire looks less dangerous per mile driven than per resident

Divide casualties by the people who live here and Gloucestershire ranks 68. Divide by the miles actually driven on its roads and it ranks 83 — a difference of 15 places.

That gap runs the other way: relative to the traffic its roads carry, Gloucestershire does less harm than its casualty count per resident implies. Places with heavy local travel and few through routes tend to look worse per head than the volume of driving warrants. Neither number is the true one. Which you should use depends on whether you are asking how safe it is to live somewhere or how safe it is to drive there.

Who is being hurt

Pedestrians, cyclists and riders in Gloucestershire

These are the road users with the least protection when something goes wrong, and they carry a disproportionate share of the serious injuries. Across 856 collisions in Gloucestershire, the three groups appear 351 times between them — an involvement rate of 41%.

Road user	Collisions	Share of all collisions
Pedestrians	107	12.5%
Cyclists	112	13.1%
Motorcyclists	132	15.4%

A single collision can involve more than one of these groups and is then counted in each row, so the rows do not add up to a share of the total.

Darkness, weather and the time of year

When collisions happen in Gloucestershire

DfT records the light level and road surface at every collision, but publishes neither below national level. These are Gloucestershire’s own shares over 2,962 collisions, with the national figure beside each one for comparison.

Share of collisions	Gloucestershire	National	How it reads
In darknessAny collision where the officer recorded darkness, lit or unlit.	27.3%	28.7%	close to the national figure
In darkness, no street lightingThe rural lighting picture rather than the urban speeding one.	12.6%	6.3%	roughly double the national figure
On a wet road surfaceWet, damp or standing water at the scene.	26.1%	24.5%	close to the national figure
On snow or iceRare everywhere, and concentrated in a handful of authorities.	1.4%	1.4%	close to the national figure

On the darkness share, Gloucestershire ranks 108 of 192 authorities, counting from the highest.

The winter effect. Collisions in Gloucestershire run 7.2% lower from November to January than from May to July — against 4.5% lower nationally. That is 717 collisions against 773.

What this does not tell you

A share is not a rate. A high darkness share means darkness accounts for more of Gloucestershire’s collisions — not that its roads are more dangerous overall. Read it alongside the casualties-per-mile-driven figure above.
Condition is recorded, not tested. The officer records the surface and light level at the scene. It is an observation, not a measurement, and it is not a finding that the condition caused the collision.
Exposure is not controlled for. Fewer people travel at 3am than at 3pm, so a collision in darkness is drawn from a smaller pool of journeys. Without hourly traffic counts, these shares describe when collisions happen rather than how risky an hour is.

Every authority compared on the same measures: winter road risk across Britain.

Inside the county

Where the casualties fall across Gloucestershire’s districts

Gloucestershire is the highway authority, but the collisions are spread unevenly across the 6 districts within it.

District	Collisions	Casualties	KSI
Cotswold	178	265	67
Gloucester	161	206	37
Stroud	141	170	58
Tewkesbury	139	201	46
Cheltenham	134	152	37
Forest of Dean	103	149	33

Benchmark

Gloucestershire against similar authorities

ONS does name statistical neighbours for Gloucestershire, but most of them are lower-tier districts that we do not publish as authority pages — they are not highway authorities, so their road figures belong to the county above them. Rather than compare against pages that do not exist, these are the authorities nearest to Gloucestershire in the national table. That is a weaker comparison and we would rather say so than imply a like-for-like match we cannot actually make. Within this group Gloucestershire is 19 of 21 on casualties per mile driven, against a group median of 92.2.

Authority	KSI / bn miles	Score	National rank
Luton	132.2	52.7	87
Bexley	123	53	84
Argyll and Bute	102.1	54.2	79
Blaenau Gwent	92.8	53	85
Hartlepool	92.2	52.9	86
Suffolk	80.7	53.7	81
North Yorkshire	77.5	53.6	82
Gloucestershire (this page)	75.2	53.2	83
East Ayrshire	60.9	53.7	80

National position

Gloucestershire against its closest comparators

Gloucestershire sits 83 of 192 nationally, and 72 of 148 within England. These are the authorities nearest to it in the table.

#	Authority	Score	KSI / bn miles
81	Suffolk	53.7	80.7
82	North Yorkshire	53.6	77.5
83	Gloucestershire (this page)	53.2	75.2
84	Bexley	53	123
85	Blaenau Gwent	53	92.8

See all 192 authorities →

Common questions

Road risk in Gloucestershire, answered

How dangerous are the roads in Gloucestershire?

In the latest official DfT figures, 856 road collisions in Gloucestershire injured or killed 1,143 people, 278 of them killed or seriously injured. Measured against the traffic its roads actually carry, that is 75.2 people killed or seriously injured per billion vehicle miles, against a median of 80.5 across the ranked authorities — placing Gloucestershire 83 of 192 authorities on our combined score, where 1 is the highest risk. The score weighs that rate alongside who is being hurt, the five-year trend and how often a serious collision proves fatal, so the rank is not the rate alone.

Are road casualties in Gloucestershire rising or falling?

Across 2021–2025, recorded collisions in Gloucestershire were up 14.3%, with 2023 the worst year of the period at 1,076 collisions. Year-to-year movement in a single authority is noisy, so the five-year direction carries more than any single year's change.

Who is being hurt on Gloucestershire's roads?

In Gloucestershire there were 107 collisions involving pedestrians, 112 involving cyclists and 132 involving motorcyclists, out of 856 in total. Added together that is an involvement rate of 41%, though a collision involving two of those groups is counted in both figures, so it is a comparable index rather than a clean share.

Who is responsible for road safety in Gloucestershire?

Gloucestershire is a county council, and is the highway authority for its own roads. That means it sets local speed limits, designs junctions and crossings, and decides safety scheme spending. Motorways and most trunk roads are managed separately by National Highways in England, Transport Scotland, or the Welsh Government, so the worst road in an area is often not the council's to change. Enforcement sits with the local police force.

Where does this data come from?

DfT STATS19, the record police complete at the scene of every injury collision, published annually under the Open Government Licence, combined with DfT's own road traffic estimates for the mileage denominator. Collision, casualty and KSI counts on this page are for 2025; only the trend compares 2021–2025. STATS19 counts collisions police attended and recorded, so collisions never reported do not appear, and under-reporting is known to be worst for cyclists and for slight injuries.

What this means for you

What actually changes the odds in Gloucestershire

Data is only useful if it changes what you do. These three are picked from Gloucestershire’s own figures above, each with the number that prompted it. Every guide explains how the thing works before it suggests buying anything, and most cost less than a third of a typical insurance excess.

Alarmed disc lock

£20–£50

Motorcyclists are in 15% of Gloucestershire's collisions, and bikes are also lifted rather than ridden away. An alarmed disc lock covers the theft half for about £30.

How it works →

Dashcam (parking mode)

£50–£150

Collisions in Gloucestershire are up 14% across the period. A dashcam with parking mode is the cheapest way to keep a disputed claim from becoming a 50/50 split.

How it works →

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