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Road traffic statistics

50657

Details

AADF latest year 2019
Region Wales
Local authority Cardiff
Road name A4161
Road type Major
Start junction road A48
End junction road B4267
Link length 2.40km (1.49 miles)
Easting & Northing 314950,176880
Latitude & longitude 51.48445,-3.22625

Location

Contents

Average Annual Daily Flow

Average annual daily flow
Year Count method All motor vehicles Cars & taxis LGVs HGVs Pedal cycles Motorcycles Buses & coaches
2019 Estimated using AADF from previous year on this link 22,045 18,598 2,661 151 478 133 502
2018 Estimated using AADF from previous year on this link 21,843 18,368 2,685 151 436 142 497
2017 Estimated using AADF from previous year on this link 22,049 18,573 2,635 150 395 143 548
2016 Estimated using AADF from previous year on this link 22,092 18,710 2,503 150 412 142 586
2015 Manual count 21,642 18,423 2,292 149 442 145 633
2014 Estimated using AADF from previous year on this link 21,135 17,419 2,625 212 231 142 737
2013 Estimated using AADF from previous year on this link 20,931 17,601 2,305 196 238 134 695
2012 Estimated using AADF from previous year on this link 21,048 17,702 2,279 196 241 134 738
2011 Estimated using AADF from previous year on this link 21,202 17,777 2,373 217 255 148 687
2010 Estimated using AADF from previous year on this link 21,210 17,866 2,301 216 231 140 687
2009 Manual count 21,568 18,249 2,290 223 231 152 654
2008 Estimated using AADF from previous year on this link 24,935 22,069 1,790 311 179 126 639
2007 Manual count 25,296 22,497 1,710 321 161 135 633
2006 Estimated using AADF from previous year on this link 25,558 21,706 2,653 372 254 156 671
2005 Manual count 25,452 21,641 2,612 368 162 150 681
2004 Manual count 23,298 19,655 2,443 372 278 159 669
2003 Estimated using AADF from previous year on this link 28,167 24,356 2,571 509 184 184 547
2002 Manual count 28,310 24,702 2,359 473 206 164 612
2001 Estimated using AADF from previous year on this link 26,589 22,585 2,694 348 220 156 806
2000 Manual count 26,140 22,142 2,704 352 230 151 791

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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.

Site details
Manual count point site 50657 details
Average annual daily flow
Number of vehicles that travel past the count point (in both directions) on an average day of the year.
Average annual 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 50657 details 1
Average annual daily flow Number of vehicles that travel past the count point (in both directions) on an average day of the year. 20
Average annual daily flow by direction Number of vehicles that travel past the count point on an average day of the year, by direction of travel. 40
Raw counts Vehicle counts recorded at this count point. 168

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