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Road traffic statistics

99962

Details

AADF latest year 2024
Region Wales
Local authority The Vale of Glamorgan
Road name A4231
Road type Major
Start junction road A4050
End junction road A4055
Link length 2.80km (1.74 miles)
Easting & Northing 314457,169247
Latitude & longitude 51.41576,-3.2315

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
2024 Estimated using AADF from previous year on this link 17,528 14,150 2,583 662 0 85 48
2023 Manual count 17,320 13,981 2,538 667 0 86 48
2022 Estimated using AADF from previous year on this link 16,467 12,789 2,734 794 12 112 38
2021 Estimated using AADF from previous year on this link 15,278 11,916 2,454 772 12 101 35
2020 Estimated using AADF from previous year on this link 13,886 10,896 2,143 720 17 98 30
2019 Estimated using AADF from previous year on this link 18,405 14,921 2,504 802 13 132 46
2018 Estimated using AADF from previous year on this link 18,369 14,888 2,512 799 11 122 47
2017 Manual count 18,319 14,960 2,399 786 11 125 49
2016 Estimated using AADF from previous year on this link 17,057 13,684 2,472 742 8 72 87
2015 Estimated using AADF from previous year on this link 16,694 13,516 2,289 728 8 72 89
2014 Estimated using AADF from previous year on this link 16,026 13,120 2,059 687 9 70 90
2013 Manual count 15,589 12,825 1,918 697 11 68 80
2012 Estimated using AADF from previous year on this link 15,791 12,947 1,937 751 6 89 67
2011 Estimated using AADF from previous year on this link 15,802 13,041 1,860 743 6 92 66
2010 Estimated using AADF from previous year on this link 15,843 13,119 1,818 746 7 94 66
2009 Manual count 16,114 13,441 1,772 733 7 106 62
2008 Estimated using AADF from previous year on this link 17,840 14,737 1,849 1,036 14 137 81
2007 Manual count 17,928 14,841 1,846 1,020 14 142 79
2006 Estimated using AADF from previous year on this link 18,092 15,127 1,763 999 5 118 85
2005 Estimated using AADF from previous year on this link 17,722 14,874 1,683 968 5 109 88
2004 Manual count 17,753 14,979 1,608 960 5 114 92
2003 Estimated using AADF from previous year on this link 15,979 12,963 1,701 1,097 15 92 126
2002 Estimated using AADF from previous year on this link 15,493 12,683 1,536 1,061 18 85 128
2001 Manual count 15,093 12,325 1,524 1,037 17 83 124
2000 Estimated using AADF from previous year on this link 14,627 11,955 1,443 1,033 19 76 120

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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 99962 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 99962 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. 25
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. 50
Raw counts Vehicle counts recorded at this count point. 168

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