How many people are killed on roads in Colchester each year?

Based on the 2-year average of DfT STATS19 data for 2022–2023, Colchester had an average of 2 people killed in road collisions per year, 91 seriously injured, and 308.5 slightly injured. This gives a total casualty rate of 3.48 per 1,000 licensed vehicles per year. All figures are police-recorded and published under the Open Government Licence v3.0.

What does the Gera Road Risk Index mean for Colchester?

The GRRI for Colchester is 6/10 (Moderate road risk). This places it at rank #149 of 363 GB local authorities by KSI-weighted casualty rate. GRRI 1 = safest decile; GRRI 10 = highest-risk decile. The index is computed from official DfT data and is an area-level risk context signal — not a direct insurance premium predictor. See the full methodology at https://gerasure.com/methodology/road-risk-index.

How many licensed vehicles are registered in Colchester?

According to DfT VEH0105 (Q4 2023, end December), Colchester had 115.4 thousand licensed vehicles (all types, all fuels, all keepers). This is the denominator used to normalise the GRRI — dividing by vehicle count adjusts for the size of the local vehicle fleet, not just the area population. Source: DfT Vehicle Licensing Statistics 2023, OGL v3.0.

Road risk in Colchester

England · 2022–2023 · DfT VEH0105 + STATS19

What is the road risk level in Colchester and how does it compare with the rest of Great Britain?

Colchester has a Gera Road Risk Index of 6/10, ranking #149 of 363 Great Britain local authorities. Its KSI-weighted casualty rate is 4.30 per 1,000 licensed vehicles per year (10% below the GB average of 4.772). Per year (2022–2023 average): 2 killed, 91 seriously injured, 308.5 slightly injured. Source: DfT VEH0105 + STATS19, OGL v3.0.

Proprietary metric:Gera Road Risk Index (GRRI/10)·Data: 2022–2023 · last updated 2026-06-20

6/ 10

Gera Road Risk Index — Colchester

Rank #149 of 363 GB local authorities · Moderate road risk

10% below the GB average of 4.772 per 1,000 vehicles / year

GRRI: 6 /10
KSI-weighted / 1k veh / yr: 4.30
National rank: #149 of 363
Killed / yr (avg): 2
Serious / yr (avg): 91
Licensed vehicles (Q4 2023): 115k

These are neutral official statistics from DfT STATS19 and VEH0105. The GRRI is an area-level risk context signal, not an insurance premium predictor. Areas with low vehicle registrations but high pedestrian/cyclist activity will score proportionally higher. Individual insurance quotes depend on your specific vehicle, driving record, mileage, and cover type.

Compare with other areas

Select any GB local authority to see its GRRI and casualty breakdown, or compare your area against the national picture.

Select your local authority (Great Britain)

Gera Road Risk Index (GRRI)

6 / 10

Moderate risk

National rank

#149 of 363

KSI-weighted / 1,000 veh

4.30

vs GB average

-10%

Killed / yr (avg)

Serious / yr (avg)

Licensed vehicles

115k

What this means for your motor insurance

Colchester sits in the middle of the road-risk distribution (GRRI 6/10). Average area-level risk — your individual premium will depend more on your own driving record, vehicle age, and cover type than on area risk at this level.

Source: DfT VEH0105 (vehicles, Q4 2023) + DfT STATS19 (casualties, 2022–2023). OGL v3.0. Full GRRI methodology.

Colchester road risk — frequently asked questions

What is the road risk level in Colchester?: Colchester has a Gera Road Risk Index of 6/10, ranking #149 of 363 Great Britain local authorities. Its KSI-weighted casualty rate is 4.30 per 1,000 licensed vehicles per year (10% below the GB average of 4.772). Per year (2022–2023 average): 2 killed, 91 seriously injured, 308.5 slightly injured. Source: DfT VEH0105 + STATS19, OGL v3.0.
How many people are killed on roads in Colchester each year?: Based on the 2-year average of DfT STATS19 data for 2022–2023, Colchester had an average of 2 people killed in road collisions per year, 91 seriously injured, and 308.5 slightly injured. This gives a total casualty rate of 3.48 per 1,000 licensed vehicles per year. All figures are police-recorded and published under the Open Government Licence v3.0.
What does the Gera Road Risk Index mean for Colchester?: The GRRI for Colchester is 6/10 (Moderate road risk). This places it at rank #149 of 363 GB local authorities by KSI-weighted casualty rate. GRRI 1 = safest decile; GRRI 10 = highest-risk decile. The index is computed from official DfT data and is an area-level risk context signal — not a direct insurance premium predictor. See the full methodology at https://gerasure.com/methodology/road-risk-index.
How many licensed vehicles are registered in Colchester?: According to DfT VEH0105 (Q4 2023, end December), Colchester had 115.4 thousand licensed vehicles (all types, all fuels, all keepers). This is the denominator used to normalise the GRRI — dividing by vehicle count adjusts for the size of the local vehicle fleet, not just the area population. Source: DfT Vehicle Licensing Statistics 2023, OGL v3.0.

Other areas with GRRI 6/10

Also see: all 363 local authorities ranked by GRRI.

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Data: 2022–2023 (vehicles: DfT VEH0105 Q4 2023; casualties: DfT STATS19 2022–2023 average). Contains public sector information licensed under the Open Government Licence v3.0. Source: DfT vehicle licensing statistics + DfT STATS19. GRRI methodology: /methodology/road-risk-index.