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Road traffic statistics

6013

Details

AADF latest year 2024
Region London
Local authority Hillingdon
Road name M4
Road type Major
Start junction road 4
End junction road 3
Link length 2.90km (1.80 miles)
Easting & Northing 508900,178400
Latitude & longitude 51.49407,-0.4327

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 117,155 93,864 14,685 7,139 0 620 848
2023 Manual count 116,801 94,025 14,260 7,042 0 625 849
2022 Manual count 122,153 97,160 17,157 6,595 0 701 540
2021 Manual count 110,556 84,957 17,322 6,979 0 755 543
2020 Estimated using AADF from previous year on this link 91,692 70,417 13,664 6,504 0 567 539
2019 Manual count 134,750 108,995 16,464 7,268 0 1,021 1,002
2018 Automatic counter 150,899 121,304 21,375 6,141 0 1,100 979
2017 Manual count 136,711 110,643 18,742 5,445 0 1,000 882
2016 Manual count 142,273 117,379 16,045 6,797 0 1,230 823
2015 Manual count 135,362 108,494 18,699 5,959 0 1,249 961
2014 Manual count 129,381 106,309 15,655 5,005 0 1,314 1,098
2013 Manual count 129,071 107,870 14,068 5,102 0 919 1,112
2012 Manual count 121,388 100,256 14,780 4,331 0 972 1,049
2011 Manual count 125,182 107,227 11,135 4,495 0 1,178 1,147
2010 Manual count 123,890 94,572 19,169 7,938 0 1,670 541
2009 Manual count 125,029 105,563 12,035 5,026 0 1,201 1,204
2008 Manual count 129,786 110,064 11,776 6,025 0 1,037 884
2007 Manual count 117,836 97,050 11,855 6,730 0 1,362 839
2006 Manual count 133,351 109,398 15,188 6,390 0 1,175 1,200
2005 Manual count 122,027 101,476 11,406 6,456 0 1,412 1,277
2004 Estimated using AADF from previous year on this link 113,334 93,644 11,190 6,907 0 1,030 563
2003 Manual count 113,785 94,305 10,843 6,443 0 1,170 1,024
2002 Manual count 132,852 110,458 11,794 7,189 0 1,807 1,604
2001 Manual count 124,713 102,565 13,332 6,060 0 1,574 1,182
2000 Manual count 137,221 113,761 10,620 7,825 0 2,245 2,770

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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 6013 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 6013 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. 504

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