A-road
A548 traffic and collisions
The A548 is an A-road of 52.2 miles in England and Wales, from West Cheshire to Conwy. This page covers its traffic at 23 DfT count points since 2000 and the collisions police recorded on it.
- Traffic in 2025 175m vehicle miles
- Average daily traffic 9,186 vehicles a day, both directions
- Busiest section 16,801 A494 Trunk Road to LA Boundary (Flintshire/Cheshire West and Chester)
- HGV share 3.7% of vehicle miles
- Traffic since 2019 −3.0% same count points
- Collisions, 2021 to 2025 194 23.4 per 100m vehicle miles
How busy is the A548?
On an average day in 2025, 9,186 vehicles passed each point on the A548, counting both directions. The busiest section is A494 Trunk Road to LA Boundary (Flintshire/Cheshire West and Chester) (Flintshire), with 16,801 a day; the quietest listed is A544 to B5382, with 1,416.
Busiest sections, 2025
A494 Trunk Road to LA Boundary (Flintshire/Cheshire West and Chester) carries 1.8 times the road’s average flow.
| Section | Vehicles a day |
|---|---|
| A494 Trunk Road to LA Boundary (Flintshire/Cheshire West and Chester) Flintshire · 3.0 mi · HGVs 3.1% | 16,801 |
| Caesar Avenue, Flint to A5119 Flintshire · 0.8 mi · HGVs 4.5% | 16,135 |
| A5026 to Aber Rd, Flint Flintshire · 2.5 mi · HGVs 3.7% | 15,246 |
| Parkway to A550 Flintshire · 0.6 mi · HGVs 10.3% | 14,266 |
| A5480 to A494 Trunk Road West Cheshire · 1.2 mi · HGVs 1.5% | 13,731 |
| A547 to A548 Bath St (Stryd Y Baddon) Denbighshire · 4.4 mi · HGVs 0.8% | 13,123 |
| Parkway, Shotwick to Caesar Avenue, Flint Flintshire · 5.7 mi · HGVs 10.3% | 12,852 |
| A5268 to A5480 West Cheshire · 0.9 mi · HGVs 1.7% | 12,374 |
| A5026/A548 junction near New Brighton, Flintshire to Walven, Flintshire Flintshire · 0.6 mi · HGVs 4.5% | 10,340 |
| A548 merge to A55 Denbighshire, Conwy · 4.3 mi · HGVs 1.1% | 10,303 |
Source:DfT,UK Motoring analysis 2000 to 2025 Updated
Route
West Cheshire to Conwy · 52.2 miles
A548 traffic and collisions by section
19 sections between junctions, in route order. Each is the average of its DfT count points, weighted by length. 2 short link roads and spurs (0.4 miles) count in the road’s totals but are not listed.
Show all 19 sections Tap a column heading to sort
| # | |||
|---|---|---|---|
| 1 | A5268 to A5480West Cheshire | 12,374 | 21 |
| 2 | A5480 to A494 Trunk RoadWest Cheshire | 13,731 | 6 |
| 3 | A494 Trunk Road to LA Boundary (Flintshire/Cheshire West and Chester)Flintshire | 16,801 | 11 |
| 4 | Parkway to A550Flintshire | 14,266 | 4 |
| 5 | Parkway, Shotwick to Caesar Avenue, FlintFlintshire | 12,852 | 21 |
| 6 | Caesar Avenue, Flint to A5119Flintshire | 16,135 | 8 |
| 7 | A5119 to Aber RdFlintshire | 16,160 | 4 |
| 8 | A5026 to Aber Rd, FlintFlintshire | 15,246 | 10 |
| 9 | A5026/A548 junction near New Brighton, Flintshire to Walven, FlintshireFlintshire | 10,340 | fewer than 3 |
| 10 | Walven, Flintshire to A547Flintshire, Denbighshire | 10,042 | 16 |
| 11 | A547 to A548 Bath St (Stryd Y Baddon)Denbighshire | 13,123 | 21 |
| 12 | A548 Bath St (Stryd Y Baddon) to A548 Elwy StDenbighshire | 5,184 | fewer than 3 |
| 13 | A548 merge to A55Denbighshire, Conwy | 10,303 | 35 |
| 14 | At A548 spurConwy | 10,761 | fewer than 3 |
| 15 | A55 to A547Conwy | 4,858 | 4 |
| 16 | A547 to Lon DirionConwy | 4,335 | 0 |
| 17 | Lon Dioion, Abergele to A544Conwy | 2,934 | 11 |
| 18 | A544 to B5382Conwy | 1,416 | 9 |
| 19 | B5382 to A470Conwy | 3,566 | fewer than 3 |
Vehicles a day is the average daily flow in 2025. “Since 2019” compares the same count points. Collisions are those with the A548 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.
A548 traffic by vehicle type
Cars and taxis make up 80.2% of the vehicle miles on the A548. HGVs account for 3.7%, rising to 10.3% on Parkway to A550.
Vehicle mix, 2025
Source:DfT,UK Motoring analysis 2000 to 2025 Updated
HGV share of traffic
| Year | HGV share |
|---|---|
| 2000 | 4.2% |
| 2001 | 4.2% |
| 2002 | 4.6% |
| 2003 | 4.4% |
| 2004 | 4.1% |
| 2005 | 4.1% |
| 2006 | 4.1% |
| 2007 | 3.9% |
| 2008 | 3.8% |
| 2009 | 3.5% |
| 2010 | 3.5% |
| 2011 | 4.0% |
| 2012 | 3.9% |
| 2013 | 3.9% |
| 2014 | 3.8% |
| 2015 | 3.4% |
| 2016 | 3.3% |
| 2017 | 3.3% |
| 2018 | 3.4% |
| 2019 | 3.5% |
| 2020 | 4.1% |
| 2021 | 4.0% |
| 2022 | 3.8% |
| 2023 | 3.6% |
| 2024 | 3.5% |
| 2025 | 3.7% |
Source:DfT,UK Motoring analysis 2000 to 2025 Updated
A548 traffic trend
Traffic on the A548 came to 175 million vehicle miles in 2025. At the count points present in both years, it is down 3.0% on 2019, before the pandemic, and down 5.9% on 2015.
Vehicle miles a year
Like for like, traffic is up 1.2% on 2000.
| Year | Vehicle miles |
|---|---|
| 2000 | 178m |
| 2001 | 175m |
| 2002 | 187m |
| 2003 | 186m |
| 2004 | 186m |
| 2005 | 182m |
| 2006 | 183m |
| 2007 | 185m |
| 2008 | 184m |
| 2009 | 184m |
| 2010 | 178m |
| 2011 | 174m |
| 2012 | 173m |
| 2013 | 171m |
| 2014 | 175m |
| 2015 | 179m |
| 2016 | 182m |
| 2017 | 180m |
| 2018 | 182m |
| 2019 | 180m |
| 2020 | 139m |
| 2021 | 153m |
| 2022 | 164m |
| 2023 | 166m |
| 2024 | 170m |
| 2025 | 175m |
Source:DfT,UK Motoring analysis 2000 to 2025 Updated
Average daily flow
| Year | Vehicles a day |
|---|---|
| 2000 | 9,328 |
| 2001 | 9,144 |
| 2002 | 9,814 |
| 2003 | 9,723 |
| 2004 | 9,734 |
| 2005 | 9,526 |
| 2006 | 9,583 |
| 2007 | 9,663 |
| 2008 | 9,660 |
| 2009 | 9,634 |
| 2010 | 9,304 |
| 2011 | 9,134 |
| 2012 | 9,061 |
| 2013 | 8,937 |
| 2014 | 9,178 |
| 2015 | 9,361 |
| 2016 | 9,517 |
| 2017 | 9,438 |
| 2018 | 9,458 |
| 2019 | 9,443 |
| 2020 | 7,298 |
| 2021 | 8,024 |
| 2022 | 8,590 |
| 2023 | 8,679 |
| 2024 | 8,925 |
| 2025 | 9,186 |
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 (76.2% of today’s road for 2019). In 2025, 3 of the 23 count points were counted; DfT estimated the rest from earlier counts and local trends.
A548 collisions
Police recorded 194 collisions with the A548 as the first road from 2021 to 2025, 75 of them fatal or serious, including 7 fatal. That is 23.4 per 100 million vehicle miles, lower than the 31.5 for all A-roads in Great Britain. On average there were 0.7 a year for each mile of road.
Reported collisions by year
Down 34.1% from 2021 to 2025.
| Year | Slight | Fatal or serious |
|---|---|---|
| 2021 | 25 | 16 |
| 2022 | 29 | 18 |
| 2023 | 34 | 13 |
| 2024 | 18 | 14 |
| 2025 | 14 | 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 |
|---|---|
| A5268 to A5480 West Cheshire · 21 collisions | 106.7 |
| Lon Dioion, Abergele to A544 Conwy · 11 collisions | 52.2 |
| A548 merge to A55 Denbighshire, Conwy · 35 collisions | 43.5 |
| A494 Trunk Road to LA Boundary (Flintshire/Cheshire West and Chester) Flintshire · 11 collisions | 30.1 |
| A547 to A548 Bath St (Stryd Y Baddon) Denbighshire · 21 collisions | 22.1 |
| Walven, Flintshire to A547 Flintshire, Denbighshire · 16 collisions | 20.3 |
| Parkway, Shotwick to Caesar Avenue, Flint Flintshire · 21 collisions | 16.3 |
| A5026 to Aber Rd, Flint Flintshire · 10 collisions | 14.8 |
Source:DfT STATS19,UK Motoring analysis 2021 to 2025 Updated
A further 17 collisions were recorded at junctions where the A548 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 A548
In route order. Each is the highway authority DfT files the count points under.
- West Cheshire
- Flintshire
- Denbighshire
- Conwy
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 | 23 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.