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Road traffic statistics

8049

Details

AADF latest year 2024
Region London
Local authority Hillingdon
Road name A4125
Road type Major
Start junction road A404
End junction road LA Boundary
Link length 1.20km (0.75 miles)
Easting & Northing 510004,191753
Latitude & longitude 51.61387,-0.41263

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 16,302 13,839 1,995 107 47 278 84
2023 Manual count 16,360 13,920 1,983 108 42 266 83
2022 Estimated using AADF from previous year on this link 11,897 10,164 1,466 128 43 65 74
2021 Estimated using AADF from previous year on this link 11,496 9,895 1,351 120 42 56 73
2020 Estimated using AADF from previous year on this link 10,675 9,172 1,267 114 47 50 73
2019 Estimated using AADF from previous year on this link 13,834 12,100 1,453 129 38 65 87
2018 Estimated using AADF from previous year on this link 13,802 12,068 1,454 131 40 62 88
2017 Estimated using AADF from previous year on this link 13,788 12,079 1,425 132 41 61 91
2016 Estimated using AADF from previous year on this link 13,808 12,082 1,437 135 42 59 95
2015 Manual count 14,009 12,337 1,393 134 40 55 90
2014 Estimated using AADF from previous year on this link 16,638 14,197 1,904 193 37 144 200
2013 Estimated using AADF from previous year on this link 16,553 14,156 1,842 207 33 139 208
2012 Estimated using AADF from previous year on this link 16,398 14,034 1,797 199 40 142 226
2011 Estimated using AADF from previous year on this link 16,691 14,307 1,840 184 46 131 229
2010 Estimated using AADF from previous year on this link 16,733 14,350 1,849 181 46 131 222
2009 Estimated using AADF from previous year on this link 17,145 14,748 1,869 180 48 139 209
2008 Estimated using AADF from previous year on this link 17,321 14,867 1,918 191 44 147 198
2007 Estimated using AADF from previous year on this link 17,715 15,217 1,960 192 37 151 195
2006 Manual count 17,884 15,449 1,918 169 29 154 194
2005 Estimated using AADF from previous year on this link 16,649 14,503 1,634 165 31 154 193
2004 Estimated using AADF from previous year on this link 16,790 14,664 1,601 176 30 168 181
2003 Estimated using AADF from previous year on this link 16,674 14,491 1,690 159 35 176 158
2002 Manual count 16,802 14,786 1,535 174 24 170 137
2001 Estimated using AADF from previous year on this link 16,319 14,542 1,426 101 34 126 124
2000 Estimated using AADF from previous year on this link 16,289 14,528 1,422 106 31 117 116

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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 8049 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 8049 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. 96

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