A-road
A225 traffic and collisions
The A225 is an A-road of 16.8 miles, in Kent. This page covers its traffic at 9 DfT count points since 2000 and the collisions police recorded on it.
- Traffic in 2025 74m vehicle miles
- Average daily traffic 12,042 vehicles a day, both directions
- Busiest section 20,992 A225 Lowfield St to A296
- HGV share 1.5% of vehicle miles
- Traffic since 2019 +9.9% same count points
- Collisions, 2021 to 2025 194 59.8 per 100m vehicle miles
How busy is the A225?
On an average day in 2025, 12,042 vehicles passed each point on the A225, counting both directions. The busiest section is A225 Lowfield St to A296 (Kent), with 20,992 a day; the quietest listed is A20 to Vestry Rd, Sevenoaks, with 8,140.
Busiest sections, 2025
A225 Lowfield St to A296 carries 1.7 times the road’s average flow.
| Section | Vehicles a day |
|---|---|
| A225 Lowfield St to A296 Kent · 0.9 mi · HGVs 1.7% | 20,992 |
| Vestry Rd to A25 Kent · 0.8 mi · HGVs 1.3% | 18,307 |
| A25 to A224 Kent · 1.3 mi · HGVs 0.4% | 16,203 |
| B258 to A20 Kent · 4.0 mi · HGVs 1.8% | 13,514 |
| A224 to Letter Box Lane Kent · 1.2 mi · HGVs 1.2% | 13,480 |
| A21 to Letter Box Lane, Sevenoaks Kent · 1.4 mi · HGVs 1.1% | 11,131 |
| A20 to Vestry Rd, Sevenoaks Kent · 6.5 mi · HGVs 1.8% | 8,140 |
Source:DfT,UK Motoring analysis 2000 to 2025 Updated
Route
In Kent · 16.8 miles
A225 traffic and collisions by section
8 sections between junctions, in route order. Each is the average of its DfT count points, weighted by length. 1 short link roads and spurs (0.3 miles) count in the road’s totals but are not listed.
Sections Tap a column heading to sort
| # | |||
|---|---|---|---|
| 1 | A225 Lowfield St to A296Kent | 20,992 | 30 |
| 2 | B2174 to B258Kent | 14,367 | 13 |
| 3 | B258 to A20Kent | 13,514 | 33 |
| 4 | A20 to Vestry Rd, SevenoaksKent | 8,140 | 43 |
| 5 | Vestry Rd to A25Kent | 18,307 | 7 |
| 6 | A25 to A224Kent | 16,203 | 26 |
| 7 | A224 to Letter Box LaneKent | 13,480 | 13 |
| 8 | A21 to Letter Box Lane, SevenoaksKent | 11,131 | 19 |
Vehicles a day is the average daily flow in 2025. “Since 2019” compares the same count points. Collisions are those with the A225 as the first road, placed on the nearest section by their recorded position; rates (per 100 million vehicle miles) are shown for sections of half a mile or more with 10 or more.
A225 traffic by vehicle type
Cars and taxis make up 83.9% of the vehicle miles on the A225. HGVs account for 1.5%.
Vehicle mix, 2025
Source:DfT,UK Motoring analysis 2000 to 2025 Updated
HGV share of traffic
| Year | HGV share |
|---|---|
| 2000 | 2.0% |
| 2001 | 2.0% |
| 2002 | 2.3% |
| 2003 | 2.1% |
| 2004 | 2.1% |
| 2005 | 2.1% |
| 2006 | 2.4% |
| 2007 | 3.0% |
| 2008 | 2.2% |
| 2009 | 2.1% |
| 2010 | 2.0% |
| 2011 | 2.0% |
| 2012 | 2.2% |
| 2013 | 2.3% |
| 2014 | 2.3% |
| 2015 | 2.3% |
| 2016 | 2.3% |
| 2017 | 1.8% |
| 2018 | 1.8% |
| 2019 | 1.6% |
| 2020 | 1.9% |
| 2021 | 1.8% |
| 2022 | 1.8% |
| 2023 | 1.4% |
| 2024 | 1.3% |
| 2025 | 1.5% |
Source:DfT,UK Motoring analysis 2000 to 2025 Updated
A225 traffic trend
Traffic on the A225 came to 73.8 million vehicle miles in 2025. At the count points present in both years, it is up 9.9% on 2019, before the pandemic, and up 12.3% on 2015.
Vehicle miles a year
Like for like, traffic is up 1.1% on 2000.
| Year | Vehicle miles |
|---|---|
| 2000 | 73m |
| 2001 | 74m |
| 2002 | 73m |
| 2003 | 73m |
| 2004 | 75m |
| 2005 | 75m |
| 2006 | 71m |
| 2007 | 73m |
| 2008 | 68m |
| 2009 | 68m |
| 2010 | 66m |
| 2011 | 67m |
| 2012 | 64m |
| 2013 | 64m |
| 2014 | 65m |
| 2015 | 65m |
| 2016 | 65m |
| 2017 | 65m |
| 2018 | 65m |
| 2019 | 67m |
| 2020 | 51m |
| 2021 | 56m |
| 2022 | 60m |
| 2023 | 66m |
| 2024 | 68m |
| 2025 | 74m |
Source:DfT,UK Motoring analysis 2000 to 2025 Updated
Average daily flow
| Year | Vehicles a day |
|---|---|
| 2000 | 12,138 |
| 2001 | 12,345 |
| 2002 | 12,157 |
| 2003 | 12,051 |
| 2004 | 12,476 |
| 2005 | 12,387 |
| 2006 | 11,802 |
| 2007 | 12,084 |
| 2008 | 11,349 |
| 2009 | 11,364 |
| 2010 | 11,009 |
| 2011 | 11,101 |
| 2012 | 10,694 |
| 2013 | 10,641 |
| 2014 | 10,732 |
| 2015 | 10,839 |
| 2016 | 10,810 |
| 2017 | 10,858 |
| 2018 | 10,845 |
| 2019 | 11,096 |
| 2020 | 8,438 |
| 2021 | 9,285 |
| 2022 | 9,991 |
| 2023 | 10,977 |
| 2024 | 11,314 |
| 2025 | 12,042 |
Source:DfT,UK Motoring analysis 2000 to 2025 Updated
The chart counts the whole road as it was each year, so new or renumbered stretches move it. The percentage changes compare only count points present in both years. In 2025, 1 of the 9 count points were counted; DfT estimated the rest from earlier counts and local trends.
A225 collisions
Police recorded 194 collisions with the A225 as the first road from 2021 to 2025, 43 of them fatal or serious. That is 59.8 per 100 million vehicle miles, higher than the 31.5 for all A-roads in Great Britain. On average there were 2.3 a year for each mile of road.
Reported collisions by year
Down 22.0% from 2021 to 2025.
| Year | Slight | Fatal or serious |
|---|---|---|
| 2021 | 29 | 12 |
| 2022 | 32 | 6 |
| 2023 | 40 | 11 |
| 2024 | 23 | 9 |
| 2025 | 27 | 5 |
Source:DfT STATS19,UK Motoring analysis 2021 to 2025 Updated
Sections with the highest collision rates
Per 100 million vehicle miles, 2021 to 2025. Sections of half a mile or more with 10 or more collisions.
| Section | Per 100m vehicle miles |
|---|---|
| A21 to Letter Box Lane, Sevenoaks Kent · 19 collisions | 334.0 |
| A225 Lowfield St to A296 Kent · 30 collisions | 91.7 |
| A25 to A224 Kent · 26 collisions | 76.5 |
| A20 to Vestry Rd, Sevenoaks Kent · 43 collisions | 55.1 |
| A224 to Letter Box Lane Kent · 13 collisions | 47.6 |
| B258 to A20 Kent · 33 collisions | 37.5 |
Source:DfT STATS19,UK Motoring analysis 2021 to 2025 Updated
A further 25 collisions were recorded at junctions where the A225 was the second road; they are not in the figures above. Fatal or serious uses DfT’s adjusted serious figures. 94.8% of the collisions could be placed on a section. How we count collisions
Council areas on the A225
In route order. Each is the highway authority DfT files the count points under.
- Kent
Data sources and methodology
| Figures | Source | Period | Records | Updated |
|---|---|---|---|---|
| Traffic counts and vehicle mix | Road traffic statistics (AADF by count point) Department for Transport Derived statistics UK Motoring | 2000 to 2025 | 9 count points in 2025 | 15 September 2026 |
| Reported collisions | Road safety open data (STATS19) Department for Transport Derived statistics UK Motoring | 2021 to 2025 | 194 reported collisions | 15 September 2026 |
- Annual average daily flow (AADF) is the average number of vehicles passing a point on a typical day of the year, both directions combined.
- Vehicle miles are AADF multiplied by link length and 365, summed over every count point link on the road.
- Sections join count point links between junctions, using the link lines in DfT’s major road database.
- STATS19 covers personal injury collisions reported to the police. Damage-only collisions are not included, and not every injury collision is reported.
- Serious and slight figures are DfT’s adjusted estimates, which allow for police forces moving to injury-based reporting.
- Counts of one or two collisions below Great Britain level are shown as “fewer than 3”.
Contains public sector information licensed under the Open Government Licence v3.0.