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Road traffic statistics

27096

Details

AADF latest year 2024
Region East of England
Local authority Hertfordshire
Road name A412
Road type Major
Start junction road A404 Riverside Drive
End junction road A404 Chorleywoood Rd
Link length 0.70km (0.43 miles)
Easting & Northing 505600,194600
Latitude & longitude 51.6403,-0.47536

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 23,201 19,457 3,127 324 58 196 97
2023 Estimated using AADF from previous year on this link 22,850 19,167 3,072 324 57 190 97
2022 Estimated using AADF from previous year on this link 22,452 18,813 3,021 329 58 193 96
2021 Manual count 20,983 17,613 2,786 317 65 177 89
2020 Estimated using AADF from previous year on this link 18,136 15,337 2,266 337 101 103 93
2019 Estimated using AADF from previous year on this link 23,429 20,191 2,568 384 89 139 147
2018 Estimated using AADF from previous year on this link 23,209 19,941 2,590 384 81 149 145
2017 Manual count 23,397 20,163 2,542 380 73 150 160
2016 Estimated using AADF from previous year on this link 24,750 20,393 3,667 424 65 90 175
2015 Estimated using AADF from previous year on this link 24,128 20,080 3,357 410 70 92 189
2014 Estimated using AADF from previous year on this link 24,342 20,455 3,192 414 75 90 191
2013 Manual count 24,119 20,669 2,803 381 77 85 180
2012 Estimated using AADF from previous year on this link 24,964 21,533 2,695 372 95 167 197
2011 Estimated using AADF from previous year on this link 25,219 21,625 2,806 420 100 185 183
2010 Estimated using AADF from previous year on this link 25,242 21,734 2,721 429 91 175 183
2009 Manual count 25,711 22,200 2,708 440 91 189 174
2008 Estimated using AADF from previous year on this link 26,459 22,292 2,941 840 26 217 169
2007 Estimated using AADF from previous year on this link 26,799 22,724 2,808 867 23 233 167
2006 Estimated using AADF from previous year on this link 27,699 23,844 2,574 877 37 230 174
2005 Estimated using AADF from previous year on this link 27,565 23,773 2,533 861 24 222 176
2004 Estimated using AADF from previous year on this link 28,149 24,383 2,469 898 28 219 180
2003 Estimated using AADF from previous year on this link 28,162 24,335 2,492 893 34 249 193
2002 Manual count 28,240 24,680 2,286 836 39 222 216
2001 Estimated using AADF from previous year on this link 29,965 26,008 2,880 647 60 220 210
2000 Estimated using AADF from previous year on this link 29,466 25,498 2,892 658 62 212 206

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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 27096 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 27096 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. 120

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