A-road
A365 traffic and collisions
The A365 is an A-road of 9.8 miles, in Wiltshire. This page covers its traffic at 6 DfT count points since 2000 and the collisions police recorded on it.
- Traffic in 2025 26m vehicle miles
- Average daily traffic 7,230 vehicles a day, both directions
- Busiest section 19,013 At A365
- HGV share 2.9% of vehicle miles
- Traffic since 2019 −7.1% same count points
- Collisions, 2021 to 2025 52 41.5 per 100m vehicle miles
How busy is the A365?
On an average day in 2025, 7,230 vehicles passed each point on the A365, counting both directions. The busiest section is At A365 (Wiltshire), with 19,013 a day; the quietest listed is B3109 Bradford Rd to A4, with 4,285.
Busiest sections, 2025
At A365 carries 2.6 times the road’s average flow.
| Section | Vehicles a day |
|---|---|
| At A365 Wiltshire · 0.5 mi · HGVs 2.5% | 19,013 |
| Dunch Lane to A350 Wiltshire · 0.7 mi · HGVs 1.6% | 14,690 |
| B3112 roundabout to Falcon Way roundabout Wiltshire · 0.5 mi · HGVs 3.8% | 7,472 |
| Falcon Way roundabout, Melksham to A361 Wiltshire · 2.8 mi · HGVs 3.8% | 6,441 |
| Dunch Lane, Melksham to B3109 Bradford Rd Wiltshire · 3.9 mi · HGVs 2.5% | 5,974 |
| B3109 Bradford Rd to A4 Wiltshire · 1.4 mi · HGVs 4.6% | 4,285 |
Source:DfT,UK Motoring analysis 2000 to 2025 Updated
Route
In Wiltshire · 9.8 miles
A365 traffic and collisions by section
6 sections between junctions, in route order. Each is the average of its DfT count points, weighted by length.
Sections Tap a column heading to sort
| # | |||
|---|---|---|---|
| 1 | Falcon Way roundabout, Melksham to A361Wiltshire | 6,441 | 17 |
| 2 | B3112 roundabout to Falcon Way roundaboutWiltshire | 7,472 | 6 |
| 3 | At A365Wiltshire | 19,013 | fewer than 3 |
| 4 | Dunch Lane to A350Wiltshire | 14,690 | 5 |
| 5 | Dunch Lane, Melksham to B3109 Bradford RdWiltshire | 5,974 | 14 |
| 6 | B3109 Bradford Rd to A4Wiltshire | 4,285 | 5 |
Vehicles a day is the average daily flow in 2025. “Since 2019” compares the same count points. Collisions are those with the A365 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.
A365 traffic by vehicle type
Cars and taxis make up 78.4% of the vehicle miles on the A365. HGVs account for 2.9%, rising to 4.6% on B3109 Bradford Rd to A4.
Vehicle mix, 2025
Source:DfT,UK Motoring analysis 2000 to 2025 Updated
HGV share of traffic
| Year | HGV share |
|---|---|
| 2000 | 7.6% |
| 2001 | 4.3% |
| 2002 | 4.2% |
| 2003 | 4.4% |
| 2004 | 4.7% |
| 2005 | 4.4% |
| 2006 | 4.3% |
| 2007 | 4.3% |
| 2008 | 4.4% |
| 2009 | 3.8% |
| 2010 | 3.9% |
| 2011 | 3.9% |
| 2012 | 3.9% |
| 2013 | 4.0% |
| 2014 | 4.0% |
| 2015 | 4.0% |
| 2016 | 3.8% |
| 2017 | 3.9% |
| 2018 | 3.8% |
| 2019 | 3.6% |
| 2020 | 4.2% |
| 2021 | 4.1% |
| 2022 | 3.7% |
| 2023 | 3.6% |
| 2024 | 3.2% |
| 2025 | 2.9% |
Source:DfT,UK Motoring analysis 2000 to 2025 Updated
A365 traffic trend
Traffic on the A365 came to 25.9 million vehicle miles in 2025. At the count points present in both years, it is down 7.1% on 2019, before the pandemic, and down 4.4% on 2015.
Vehicle miles a year
Like for like, traffic is about the same as in 2000.
| Year | Vehicle miles |
|---|---|
| 2000 | 25m |
| 2001 | 25m |
| 2002 | 25m |
| 2003 | 25m |
| 2004 | 25m |
| 2005 | 28m |
| 2006 | 28m |
| 2007 | 29m |
| 2008 | 28m |
| 2009 | 28m |
| 2010 | 27m |
| 2011 | 27m |
| 2012 | 27m |
| 2013 | 27m |
| 2014 | 28m |
| 2015 | 28m |
| 2016 | 29m |
| 2017 | 29m |
| 2018 | 30m |
| 2019 | 28m |
| 2020 | 21m |
| 2021 | 23m |
| 2022 | 25m |
| 2023 | 26m |
| 2024 | 25m |
| 2025 | 26m |
Source:DfT,UK Motoring analysis 2000 to 2025 Updated
Average daily flow
| Year | Vehicles a day |
|---|---|
| 2000 | 6,841 |
| 2001 | 6,885 |
| 2002 | 7,010 |
| 2003 | 6,878 |
| 2004 | 6,995 |
| 2005 | 7,688 |
| 2006 | 7,852 |
| 2007 | 8,107 |
| 2008 | 7,746 |
| 2009 | 7,683 |
| 2010 | 7,620 |
| 2011 | 7,655 |
| 2012 | 7,547 |
| 2013 | 7,543 |
| 2014 | 7,725 |
| 2015 | 7,835 |
| 2016 | 8,086 |
| 2017 | 8,134 |
| 2018 | 8,131 |
| 2019 | 7,786 |
| 2020 | 5,896 |
| 2021 | 6,489 |
| 2022 | 7,073 |
| 2023 | 7,217 |
| 2024 | 7,058 |
| 2025 | 7,230 |
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 6 count points were counted; DfT estimated the rest from earlier counts and local trends.
A365 collisions
Police recorded 52 collisions with the A365 as the first road from 2021 to 2025, 11 of them fatal or serious. That is 41.5 per 100 million vehicle miles, higher than the 31.5 for all A-roads in Great Britain. On average there were 1.1 a year for each mile of road.
Reported collisions by year
Up 71.4% from 2021 to 2025.
| Year | Collisions |
|---|---|
| 2021 | 7 |
| 2022 | 11 |
| 2023 | 15 |
| 2024 | 7 |
| 2025 | 12 |
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 |
|---|---|
| Falcon Way roundabout, Melksham to A361 Wiltshire · 17 collisions | 53.7 |
| Dunch Lane, Melksham to B3109 Bradford Rd Wiltshire · 14 collisions | 32.2 |
Source:DfT STATS19,UK Motoring analysis 2021 to 2025 Updated
A further 12 collisions were recorded at junctions where the A365 was the second road; they are not in the figures above. Fatal or serious uses DfT’s adjusted serious figures. How we count collisions
Council areas on the A365
In route order. Each is the highway authority DfT files the count points under.
- Wiltshire
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 | 6 count points in 2025 | 15 September 2026 |
| Reported collisions | Road safety open data (STATS19) Department for Transport Derived statistics UK Motoring | 2021 to 2025 | 52 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.