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Road traffic statistics

46433

Details

AADF latest year 2024
Region London
Local authority Westminster
Road name A40
Road type Major
Start junction road A4201
End junction road LA Boundary
Link length 0.70km (0.43 miles)
Easting & Northing 529500,181330
Latitude & longitude 51.51606,-0.13504

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 Automatic counter 10,194 6,813 792 215 5,197 795 1,579
2023 Automatic counter 9,850 6,638 756 208 4,650 737 1,511
2022 Automatic counter 9,713 6,561 741 212 4,535 716 1,483
2021 Automatic counter 8,739 5,932 656 200 4,429 578 1,374
2020 Automatic counter 7,727 5,201 582 176 4,958 479 1,289
2019 Automatic counter 10,237 7,111 678 205 4,008 651 1,593
2018 Automatic counter 11,321 7,857 764 232 4,725 684 1,784
2017 Automatic counter 11,139 7,673 738 251 4,660 663 1,814
2016 Estimated using AADF from previous year on this link 10,793 7,350 731 274 4,548 613 1,824
2015 Estimated using AADF from previous year on this link 10,748 7,505 709 238 4,398 571 1,725
2014 Manual count 10,476 7,096 738 252 4,661 550 1,840
2013 Estimated using AADF from previous year on this link 9,693 5,959 473 64 3,047 444 2,753
2012 Estimated using AADF from previous year on this link 10,000 6,193 454 59 3,691 463 2,832
2011 Estimated using AADF from previous year on this link 10,678 6,740 463 54 3,647 486 2,935
2010 Estimated using AADF from previous year on this link 10,660 6,794 467 54 3,677 490 2,855
2009 Estimated using AADF from previous year on this link 10,741 7,004 485 52 3,379 522 2,678
2008 Estimated using AADF from previous year on this link 10,927 7,229 518 55 3,326 560 2,565
2007 Estimated using AADF from previous year on this link 11,122 7,498 553 55 3,397 601 2,415
2006 Manual count 11,906 8,240 575 50 4,030 723 2,318
2005 Estimated using AADF from previous year on this link 22,258 15,111 1,953 183 5,782 2,854 2,157
2004 Estimated using AADF from previous year on this link 22,170 15,066 1,751 166 5,131 3,014 2,173
2003 Estimated using AADF from previous year on this link 20,001 13,848 1,641 177 3,595 2,322 2,013
2002 Manual count 18,522 13,510 1,242 199 2,572 1,811 1,760
2001 Estimated using AADF from previous year on this link 12,056 8,461 1,016 155 2,958 792 1,632
2000 Estimated using AADF from previous year on this link 12,578 9,050 1,019 166 2,855 703 1,640

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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 46433 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 46433 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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