A-road
A305 traffic and collisions
The A305 is an A-road of 5.4 miles, in Richmond upon Thames. This page covers its traffic at 11 DfT count points since 2000 and the collisions police recorded on it.
- Traffic in 2025 21m vehicle miles
- Average daily traffic 10,628 vehicles a day, both directions
- Busiest section 13,862 A3004 to A310
- HGV share 1.3% of vehicle miles
- Traffic since 2019 −15.1% same count points
- Collisions, 2021 to 2025 173 165.0 per 100m vehicle miles
How busy is the A305?
On an average day in 2025, 10,628 vehicles passed each point on the A305, counting both directions. The busiest section is A3004 to A310 (Richmond upon Thames), with 13,862 a day; the quietest listed is A205 to A305 Paradise Rd, with 8,562.
Busiest sections, 2025
A3004 to A310 carries 1.3 times the road’s average flow.
| Section | Vehicles a day |
|---|---|
| A3004 to A310 Richmond upon Thames · 0.6 mi · HGVs 0.9% | 13,862 |
| A311 to A316 Richmond upon Thames · 1.8 mi · HGVs 1.3% | 9,679 |
| A205 to A305 Paradise Rd Richmond upon Thames · 1.1 mi · HGVs 1.0% | 8,562 |
Source:DfT,UK Motoring analysis 2000 to 2025 Updated
Route
In Richmond upon Thames · 5.4 miles
A305 traffic and collisions by section
10 sections between junctions, in route order. Each is the average of its DfT count points, weighted by length. 1 short link roads and spurs (0.1 miles) count in the road’s totals but are not listed.
Sections Tap a column heading to sort
| # | |||
|---|---|---|---|
| 1 | A205 to A305 Paradise RdRichmond upon Thames | 8,562 | 43 |
| 2 | A305 Paradise Rd to A307Richmond upon Thames | 4,965 | 5 |
| 3 | At A305Richmond upon Thames | 7,133 | 0 |
| 4 | At A305Richmond upon Thames | 12,022 | 0 |
| 5 | A307 to A3004Richmond upon Thames | 17,386 | 23 |
| 6 | At A3004Richmond upon Thames | 7,401 | 5 |
| 7 | A3004 to A310Richmond upon Thames | 13,862 | 17 |
| 8 | At A310Richmond upon Thames | 28,443 | 8 |
| 9 | A310 to A311Richmond upon Thames | 13,503 | 20 |
| 10 | A311 to A316Richmond upon Thames | 9,679 | 52 |
Vehicles a day is the average daily flow in 2025. “Since 2019” compares the same count points. Collisions are those with the A305 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.
A305 traffic by vehicle type
Cars and taxis make up 73.0% of the vehicle miles on the A305. HGVs account for 1.3%.
Vehicle mix, 2025
Source:DfT,UK Motoring analysis 2000 to 2025 Updated
HGV share of traffic
| Year | HGV share |
|---|---|
| 2000 | 1.7% |
| 2001 | 1.6% |
| 2002 | 2.0% |
| 2003 | 1.9% |
| 2004 | 2.0% |
| 2005 | 2.2% |
| 2006 | 2.0% |
| 2007 | 2.3% |
| 2008 | 2.3% |
| 2009 | 2.1% |
| 2010 | 2.2% |
| 2011 | 2.3% |
| 2012 | 2.5% |
| 2013 | 2.5% |
| 2014 | 2.2% |
| 2015 | 1.8% |
| 2016 | 1.8% |
| 2017 | 1.7% |
| 2018 | 1.4% |
| 2019 | 1.2% |
| 2020 | 1.4% |
| 2021 | 1.3% |
| 2022 | 1.4% |
| 2023 | 1.3% |
| 2024 | 1.3% |
| 2025 | 1.3% |
Source:DfT,UK Motoring analysis 2000 to 2025 Updated
A305 traffic trend
Traffic on the A305 came to 20.9 million vehicle miles in 2025. At the count points present in both years, it is down 15.1% on 2019, before the pandemic, and about the same as in 2015.
Vehicle miles a year
Like for like, traffic is down 26.4% on 2000.
| Year | Vehicle miles |
|---|---|
| 2000 | 28m |
| 2001 | 28m |
| 2002 | 27m |
| 2003 | 27m |
| 2004 | 27m |
| 2005 | 26m |
| 2006 | 26m |
| 2007 | 26m |
| 2008 | 22m |
| 2009 | 21m |
| 2010 | 22m |
| 2011 | 22m |
| 2012 | 22m |
| 2013 | 22m |
| 2014 | 22m |
| 2015 | 20m |
| 2016 | 20m |
| 2017 | 23m |
| 2018 | 24m |
| 2019 | 25m |
| 2020 | 19m |
| 2021 | 21m |
| 2022 | 21m |
| 2023 | 21m |
| 2024 | 21m |
| 2025 | 21m |
Source:DfT,UK Motoring analysis 2000 to 2025 Updated
Average daily flow
| Year | Vehicles a day |
|---|---|
| 2000 | 14,518 |
| 2001 | 14,520 |
| 2002 | 14,279 |
| 2003 | 14,240 |
| 2004 | 14,047 |
| 2005 | 13,630 |
| 2006 | 13,303 |
| 2007 | 13,439 |
| 2008 | 11,706 |
| 2009 | 11,202 |
| 2010 | 11,806 |
| 2011 | 11,525 |
| 2012 | 11,401 |
| 2013 | 11,651 |
| 2014 | 11,444 |
| 2015 | 10,648 |
| 2016 | 10,564 |
| 2017 | 12,244 |
| 2018 | 12,570 |
| 2019 | 12,517 |
| 2020 | 9,797 |
| 2021 | 10,396 |
| 2022 | 10,860 |
| 2023 | 10,667 |
| 2024 | 10,658 |
| 2025 | 10,628 |
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, 2 of the 11 count points were counted; DfT estimated the rest from earlier counts and local trends.
A305 collisions
Police recorded 173 collisions with the A305 as the first road from 2021 to 2025, 47 of them fatal or serious. That is 165.0 per 100 million vehicle miles, higher than the 31.5 for all A-roads in Great Britain. On average there were 6.4 a year for each mile of road.
Reported collisions by year
Up 5.7% from 2021 to 2025.
| Year | Slight | Fatal or serious |
|---|---|---|
| 2021 | 26 | 9 |
| 2022 | 29 | 9 |
| 2023 | 20 | 7 |
| 2024 | 27 | 9 |
| 2025 | 24 | 13 |
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 |
|---|---|
| A205 to A305 Paradise Rd Richmond upon Thames · 43 collisions | 239.8 |
| A311 to A316 Richmond upon Thames · 52 collisions | 164.0 |
| A3004 to A310 Richmond upon Thames · 17 collisions | 112.1 |
Source:DfT STATS19,UK Motoring analysis 2021 to 2025 Updated
A further 35 collisions were recorded at junctions where the A305 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 A305
In route order. Each is the highway authority DfT files the count points under.
- Richmond upon Thames
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 | 11 count points in 2025 | 15 September 2026 |
| Reported collisions | Road safety open data (STATS19) Department for Transport Derived statistics UK Motoring | 2021 to 2025 | 173 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.