A-road
A436 traffic and collisions
The A436 is an A-road of 21.2 miles, from Oxfordshire to Gloucestershire. This page covers its traffic at 6 DfT count points since 2000 and the collisions police recorded on it.
- Traffic in 2025 63m vehicle miles
- Average daily traffic 8,145 vehicles a day, both directions
- Busiest section 13,742 A435 to A417(T)
- HGV share 4.0% of vehicle miles
- Traffic since 2019 +6.8% same count points
- Collisions, 2021 to 2025 85 29.1 per 100m vehicle miles
How busy is the A436?
On an average day in 2025, 8,145 vehicles passed each point on the A436, counting both directions. The busiest section is A435 to A417(T) (Gloucestershire), with 13,742 a day; the quietest listed is A44 to A429, with 6,161.
Busiest sections, 2025
A435 to A417(T) carries 1.7 times the road’s average flow.
| Section | Vehicles a day |
|---|---|
| A435 to A417(T) Gloucestershire · 2.3 mi · HGVs 6.0% | 13,742 |
| A436 split to A435 Gloucestershire · 2.9 mi · HGVs 5.3% | 11,686 |
| A40 to A436 SPLIT Gloucestershire · 1.4 mi · HGVs 9.7% | 7,057 |
| A429 to B4068 Gloucestershire · 9.0 mi · HGVs 1.7% | 6,978 |
| A44 to A429 Oxfordshire, Gloucestershire · 5.6 mi · HGVs 3.3% | 6,161 |
Source:DfT,UK Motoring analysis 2000 to 2025 Updated
Route
Oxfordshire to Gloucestershire · 21.2 miles
A436 traffic and collisions by section
5 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 | A44 to A429Oxfordshire, Gloucestershire | 6,161 | 11 |
| 2 | A429 to B4068Gloucestershire | 6,978 | 25 |
| 3 | A40 to A436 SPLITGloucestershire | 7,057 | 9 |
| 4 | A436 split to A435Gloucestershire | 11,686 | 19 |
| 5 | A435 to A417(T)Gloucestershire | 13,742 | 21 |
Vehicles a day is the average daily flow in 2025. “Since 2019” compares the same count points. Collisions are those with the A436 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.
A436 traffic by vehicle type
Cars and taxis make up 75.5% of the vehicle miles on the A436. HGVs account for 4.0%, rising to 9.7% on A40 to A436 SPLIT.
Vehicle mix, 2025
Source:DfT,UK Motoring analysis 2000 to 2025 Updated
HGV share of traffic
| Year | HGV share |
|---|---|
| 2000 | 5.2% |
| 2001 | 5.6% |
| 2002 | 5.7% |
| 2003 | 5.4% |
| 2004 | 5.5% |
| 2005 | 5.3% |
| 2006 | 5.5% |
| 2007 | 5.4% |
| 2008 | 5.1% |
| 2009 | 4.8% |
| 2010 | 4.8% |
| 2011 | 4.6% |
| 2012 | 4.8% |
| 2013 | 4.8% |
| 2014 | 4.7% |
| 2015 | 4.8% |
| 2016 | 4.6% |
| 2017 | 4.7% |
| 2018 | 4.3% |
| 2019 | 4.3% |
| 2020 | 5.1% |
| 2021 | 5.1% |
| 2022 | 4.6% |
| 2023 | 4.4% |
| 2024 | 4.0% |
| 2025 | 4.0% |
Source:DfT,UK Motoring analysis 2000 to 2025 Updated
A436 traffic trend
Traffic on the A436 came to 63 million vehicle miles in 2025. At the count points present in both years, it is up 6.8% on 2019, before the pandemic, and up 7.5% on 2015.
Vehicle miles a year
Like for like, traffic is up 31.1% on 2000.
| Year | Vehicle miles |
|---|---|
| 2000 | 51m |
| 2001 | 52m |
| 2002 | 55m |
| 2003 | 57m |
| 2004 | 56m |
| 2005 | 57m |
| 2006 | 57m |
| 2007 | 57m |
| 2008 | 58m |
| 2009 | 59m |
| 2010 | 58m |
| 2011 | 59m |
| 2012 | 58m |
| 2013 | 59m |
| 2014 | 60m |
| 2015 | 61m |
| 2016 | 63m |
| 2017 | 63m |
| 2018 | 60m |
| 2019 | 60m |
| 2020 | 46m |
| 2021 | 49m |
| 2022 | 58m |
| 2023 | 59m |
| 2024 | 62m |
| 2025 | 63m |
Source:DfT,UK Motoring analysis 2000 to 2025 Updated
Average daily flow
| Year | Vehicles a day |
|---|---|
| 2000 | 6,146 |
| 2001 | 6,274 |
| 2002 | 6,685 |
| 2003 | 6,891 |
| 2004 | 6,780 |
| 2005 | 6,940 |
| 2006 | 6,964 |
| 2007 | 6,900 |
| 2008 | 7,062 |
| 2009 | 7,122 |
| 2010 | 7,025 |
| 2011 | 7,134 |
| 2012 | 7,095 |
| 2013 | 7,133 |
| 2014 | 7,242 |
| 2015 | 7,474 |
| 2016 | 7,626 |
| 2017 | 7,696 |
| 2018 | 7,687 |
| 2019 | 7,701 |
| 2020 | 5,885 |
| 2021 | 6,375 |
| 2022 | 7,489 |
| 2023 | 7,645 |
| 2024 | 8,047 |
| 2025 | 8,145 |
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 (57.5% of today’s road for 2019). In 2025, 0 of the 6 count points were counted; DfT estimated the rest from earlier counts and local trends.
A436 collisions
Police recorded 85 collisions with the A436 as the first road from 2021 to 2025, 32 of them fatal or serious, including 4 fatal. That is 29.1 per 100 million vehicle miles, close to the 31.5 for all A-roads in Great Britain. On average there were 0.8 a year for each mile of road.
Reported collisions by year
Up 31.3% from 2021 to 2025.
| Year | Slight | Fatal or serious |
|---|---|---|
| 2021 | 9 | 7 |
| 2022 | 6 | 8 |
| 2023 | 12 | 6 |
| 2024 | 12 | 4 |
| 2025 | 14 | 7 |
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 |
|---|---|
| A435 to A417(T) Gloucestershire · 21 collisions | 39.3 |
| A436 split to A435 Gloucestershire · 19 collisions | 36.1 |
| A429 to B4068 Gloucestershire · 25 collisions | 23.2 |
| A44 to A429 Oxfordshire, Gloucestershire · 11 collisions | 18.2 |
Source:DfT STATS19,UK Motoring analysis 2021 to 2025 Updated
A further 11 collisions were recorded at junctions where the A436 was the second road; they are not in the figures above. Fatal or serious uses DfT’s adjusted serious figures. 100.0% of the collisions could be placed on a section. How we count collisions
Council areas on the A436
In route order. Each is the highway authority DfT files the count points under.
- Oxfordshire
- Gloucestershire
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 | 85 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.