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Road traffic statistics

57123

Details

AADF latest year 2024
Region East of England
Local authority Hertfordshire
Road name A412
Road type Major
Start junction road A41(T)
End junction road A405(T)
Link length 1.50km (0.93 miles)
Easting & Northing 511470,200000
Latitude & longitude 51.68771,-0.38884

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 14,535 11,810 2,112 372 130 95 145
2023 Estimated using AADF from previous year on this link 14,318 11,633 2,075 373 128 92 145
2022 Estimated using AADF from previous year on this link 14,075 11,419 2,041 379 131 94 143
2021 Estimated using AADF from previous year on this link 13,158 10,691 1,882 366 146 86 133
2020 Manual count 11,982 9,704 1,727 341 179 81 129
2019 Estimated using AADF from previous year on this link 14,379 11,147 2,460 380 102 120 271
2018 Estimated using AADF from previous year on this link 14,268 11,009 2,482 381 93 128 268
2017 Estimated using AADF from previous year on this link 14,371 11,131 2,436 378 84 129 296
2016 Estimated using AADF from previous year on this link 14,350 11,214 2,314 377 88 128 317
2015 Estimated using AADF from previous year on this link 14,006 11,041 2,119 373 95 131 342
2014 Estimated using AADF from previous year on this link 13,701 10,827 2,020 387 102 148 318
2013 Estimated using AADF from previous year on this link 13,303 10,541 1,889 387 105 155 330
2012 Manual count 13,293 10,635 1,818 386 106 139 316
2011 Estimated using AADF from previous year on this link 10,272 7,960 1,481 474 181 101 256
2010 Estimated using AADF from previous year on this link 10,160 7,984 1,327 460 164 119 270
2009 Estimated using AADF from previous year on this link 10,080 8,032 1,243 442 163 125 238
2008 Estimated using AADF from previous year on this link 9,916 7,859 1,224 480 163 112 241
2007 Estimated using AADF from previous year on this link 10,111 8,036 1,199 482 145 117 277
2006 Estimated using AADF from previous year on this link 10,251 8,167 1,139 519 233 122 304
2005 Estimated using AADF from previous year on this link 10,463 8,326 1,122 546 149 141 328
2004 Manual count 10,822 8,727 1,052 525 176 171 347
2003 Estimated using AADF from previous year on this link 14,389 11,281 1,945 470 110 283 410
2002 Estimated using AADF from previous year on this link 14,601 11,714 1,791 476 124 199 421
2001 Manual count 14,306 11,529 1,671 496 120 192 418
2000 Estimated using AADF from previous year on this link 15,196 12,584 1,574 546 154 136 356

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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 57123 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 57123 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. 96

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