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Road traffic statistics

70192

Details

AADF latest year 2020
Region London
Local authority Westminster
Road name A400
Road type Major
Start junction road Trafalgar Sq
End junction road A3211
Link length 0.40km (0.25 miles)
Easting & Northing 530250,180330
Latitude & longitude 51.5069,-0.12461

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
2020 Estimated using AADF from previous year on this link 11,449 6,838 2,618 318 2,549 1,335 340
2019 Estimated using AADF from previous year on this link 14,549 9,021 3,003 365 2,061 1,753 408
2018 Estimated using AADF from previous year on this link 14,440 8,998 3,005 367 2,199 1,661 410
2017 Estimated using AADF from previous year on this link 14,398 9,006 2,944 374 2,226 1,648 426
2016 Manual count 14,396 9,008 2,969 384 2,279 1,591 444
2015 Estimated using AADF from previous year on this link 17,162 11,022 2,591 572 1,441 2,440 537
2014 Estimated using AADF from previous year on this link 16,643 10,421 2,699 604 1,527 2,347 573
2013 Estimated using AADF from previous year on this link 16,165 10,077 2,590 601 1,522 2,305 591
2012 Estimated using AADF from previous year on this link 16,523 10,473 2,484 555 1,844 2,404 608
2011 Estimated using AADF from previous year on this link 17,601 11,398 2,535 513 1,822 2,525 630
2010 Estimated using AADF from previous year on this link 17,713 11,490 2,555 510 1,836 2,546 612
2009 Estimated using AADF from previous year on this link 18,278 11,845 2,654 493 1,688 2,712 574
2008 Manual count 19,047 12,224 2,836 531 1,662 2,906 550
2007 Estimated using AADF from previous year on this link 19,669 11,434 3,447 553 1,128 3,548 687
2006 Estimated using AADF from previous year on this link 21,596 12,565 3,584 511 1,338 4,276 660
2005 Manual count 19,998 12,210 2,836 554 1,173 3,810 588
2004 Estimated using AADF from previous year on this link 17,498 11,958 1,626 544 691 2,944 426
2003 Manual count 15,749 10,991 1,525 570 484 2,268 395
2002 Manual count 13,617 9,456 1,924 495 532 1,670 72
2001 Manual count 19,312 15,625 1,541 419 292 1,435 292
2000 Manual count 35,044 28,818 3,041 687 609 1,804 694

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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 70192 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 70192 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. 21
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. 42
Raw counts Vehicle counts recorded at this count point. 168

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