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Road traffic statistics

26142

Details

AADF latest year 2016
Region East of England
Local authority Hertfordshire
Road name A5
Road type Major
Start junction road B4540
End junction road M1 jn9
Link length 5.50km (3.42 miles)
Easting & Northing 508606,215000
Latitude & longitude 51.82308,-0.42557

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
2016 Estimated using AADF from previous year on this link 22,643 16,929 4,126 1,237 10 263 88
2015 Estimated using AADF from previous year on this link 21,795 16,437 3,821 1,198 8 253 86
2014 Estimated using AADF from previous year on this link 20,859 15,956 3,437 1,133 8 245 88
2013 Estimated using AADF from previous year on this link 20,268 15,596 3,203 1,153 10 237 78
2012 Manual count 20,240 15,785 3,016 1,138 10 225 76
2011 Estimated using AADF from previous year on this link 19,892 14,879 3,467 1,271 14 181 94
2010 Estimated using AADF from previous year on this link 19,929 14,969 3,389 1,294 16 184 93
2009 Estimated using AADF from previous year on this link 20,211 15,337 3,303 1,276 16 208 87
2008 Manual count 20,404 15,539 3,198 1,385 14 199 83
2007 Estimated using AADF from previous year on this link 25,450 18,211 4,332 2,495 21 251 161
2006 Manual count 25,154 18,339 3,909 2,485 20 251 170
2005 Estimated using AADF from previous year on this link 23,915 17,534 3,667 2,359 8 230 125
2004 Manual count 23,945 17,657 3,505 2,413 8 240 130
2003 Estimated using AADF from previous year on this link 22,864 16,638 3,321 2,510 4 224 171
2002 Manual count 22,135 16,280 3,000 2,476 4 206 173
2001 Manual count 21,686 16,490 2,814 2,060 9 232 90
2000 Manual count 22,316 16,565 2,870 2,466 14 285 130

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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 26142 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 26142 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. 17
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. 34
Raw counts Vehicle counts recorded at this count point. 168

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