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Road traffic statistics

27087

Details

AADF latest year 2015
Region London
Local authority Barnet
Road name A406
Road type Major
Start junction road M1 roundabout
End junction road A41
Link length 0.90km (0.56 miles)
Easting & Northing 523380,187700
Latitude & longitude 51.57468,-0.22096

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
2015 Manual count 103,077 75,002 18,771 7,005 33 1,615 685
2014 Manual count 106,809 77,181 20,160 7,004 22 1,566 897
2013 Manual count 91,237 66,994 17,761 4,110 0 1,692 681
2012 Manual count 112,768 85,242 16,452 8,272 0 1,559 1,244
2011 Estimated using AADF from previous year on this link 108,828 76,338 15,926 14,115 49 1,387 1,062
2010 Manual count 108,776 76,568 16,006 13,779 49 1,394 1,029
2009 Manual count 103,677 78,172 15,367 7,333 0 1,907 898
2008 Estimated using AADF from previous year on this link 101,476 74,841 18,724 5,388 47 1,816 707
2007 Estimated using AADF from previous year on this link 103,835 76,603 19,126 5,546 40 1,865 695
2006 Manual count 104,026 77,769 18,714 4,951 31 1,900 692
2005 Estimated using AADF from previous year on this link 98,099 78,225 14,110 3,840 11 1,261 663
2004 Manual count 98,819 79,095 13,819 3,911 11 1,372 622
2003 Estimated using AADF from previous year on this link 101,011 85,182 10,270 4,006 20 988 565
2002 Manual count 101,894 86,920 9,328 4,201 14 955 490
2001 Manual count 102,740 81,128 15,385 4,320 5 1,298 609
2000 Manual count 111,671 90,931 13,940 4,932 8 1,135 733

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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 27087 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 27087 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. 16
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. 32
Raw counts Vehicle counts recorded at this count point. 264

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