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Road traffic statistics

58197

Details

AADF latest year 2024
Region London
Local authority Hounslow
Road name A4
Road type Major
Start junction road LA Boundary
End junction road A312
Link length 1.00km (0.62 miles)
Easting & Northing 510529,176809
Latitude & longitude 51.47945,-0.40974

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 16,103 13,070 1,815 308 275 293 617
2023 Estimated using AADF from previous year on this link 16,154 13,147 1,805 311 246 280 611
2022 Estimated using AADF from previous year on this link 16,146 13,174 1,773 316 240 276 606
2021 Estimated using AADF from previous year on this link 15,599 12,826 1,633 301 235 240 599
2020 Estimated using AADF from previous year on this link 14,506 11,889 1,532 281 263 210 594
2019 Manual count 18,755 15,683 1,757 326 212 276 713
2018 Estimated using AADF from previous year on this link 16,052 13,047 1,339 485 80 281 900
2017 Estimated using AADF from previous year on this link 16,086 13,058 1,313 500 81 279 935
2016 Estimated using AADF from previous year on this link 16,148 13,062 1,324 518 83 269 974
2015 Estimated using AADF from previous year on this link 16,290 13,337 1,283 497 80 251 921
2014 Estimated using AADF from previous year on this link 16,338 13,382 1,233 496 70 265 961
2013 Estimated using AADF from previous year on this link 16,324 13,344 1,193 529 62 256 1,002
2012 Estimated using AADF from previous year on this link 16,252 13,229 1,164 512 76 262 1,086
2011 Manual count 16,499 13,486 1,192 478 88 241 1,102
2010 Estimated using AADF from previous year on this link 21,103 18,329 1,189 680 150 211 694
2009 Estimated using AADF from previous year on this link 21,599 18,837 1,203 681 155 225 653
2008 Estimated using AADF from previous year on this link 21,810 18,989 1,235 729 143 238 619
2007 Estimated using AADF from previous year on this link 22,296 19,436 1,262 746 122 244 608
2006 Estimated using AADF from previous year on this link 22,487 19,732 1,234 666 94 249 606
2005 Manual count 22,102 19,376 1,245 674 76 229 578
2004 Estimated using AADF from previous year on this link 26,373 22,042 2,697 362 178 234 1,038
2003 Estimated using AADF from previous year on this link 26,108 21,781 2,847 328 206 244 908
2002 Estimated using AADF from previous year on this link 26,164 22,225 2,586 329 142 236 788
2001 Estimated using AADF from previous year on this link 26,075 22,225 2,536 346 137 246 722
2000 Estimated using AADF from previous year on this link 25,977 22,203 2,529 342 124 228 675

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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 58197 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 58197 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. 72

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