Skip to main content
Road traffic statistics

Roadside traffic counts of Heavy Goods Vehicles are changing from 2028, your feedback will help us improve this.

92138

Details

AADF latest year 2025
Region Wales
Local authority Cardiff
Road name A4161
Road type Major
Start junction road lat: 51.4915 long: -3.1546
End junction road lat: 51.5005 long: -3.1403
Link length 1.1 miles
Easting & Northing 320527,177727
Latitude & Longitude 51.49288,-3.14614

Location

Streetview shows approximate location only - this panorama may be on a different road to the count point. Current panorama is less than 10 meters from this count point.

Annual Average Daily Flow

Year Count method All motor vehicles Cars & taxis LGVs HGVs Pedal cycles Motorcycles Buses & coaches
2025 Estimated using AADF from previous year on this link 32,918 27,882 4,111 335 579 230 361
2024 Estimated using AADF from previous year on this link 32,809 27,848 4,028 337 577 226 369
2023 Estimated using AADF from previous year on this link 32,313 27,433 3,957 336 570 219 368
2022 Manual count 31,746 26,926 3,891 342 580 222 364
2021 Estimated using AADF from previous year on this link 29,672 25,210 3,590 331 649 203 339
2020 Estimated using AADF from previous year on this link 27,004 22,882 3,293 309 794 192 328

Download data

Data disclaimer

Traffic figures at the regional and national level are robust, and are reported as accredited official statistics. However, DfT’s traffic estimates for individual road links and small areas are less robust, as they are not always based on up-to-date counts made at these locations. Where other more up-to-date sources of traffic data are available (e.g. from local highways authorities), this may provide a more accurate estimate of traffic at these locations.

It is the responsibility of the user to decide which data are most appropriate for their purpose, and if DfT road link level traffic estimates are used, to make a note of the limitations in any published material.

Quality flags in data downloads

DfT’s road link level traffic estimates are calculated using a variety of methods, with some methods likely to produce more accurate estimates than others.

The data tables available to download here contain a column - estimation_method – showing the method used to estimate traffic for each location and year. Figures having an estimation method of “Counted” are likely to be more accurate than those marked as “Estimated”, and the latter should be used with caution.

Metadata

The road traffic statistics metadata PDF document provides guidance on the different datasets available to download for DfT traffic estimates.

Downloads

Site details
Manual count point site 92138 details
Annual average daily flow
Number of vehicles that travel past the count point (in both directions) on an average day of the year.
Annual average daily flow by direction
Number of vehicles that travel past the count point on an average day of the year, by direction of travel.
Raw counts
Vehicle counts recorded at this count point.
Data Description Records Download
Site details Manual count point site 92138 details 1
Annual average daily flow Number of vehicles that travel past the count point (in both directions) on an average day of the year. 6
Annual average daily flow by direction Number of vehicles that travel past the count point on an average day of the year, by direction of travel. 12
Raw counts Vehicle counts recorded at this count point. 24

To apply more filters to downloads, or retrieve data split into pages you can use our API.