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Road traffic statistics

56466

Details

AADF latest year 2024
Region East of England
Local authority Hertfordshire
Road name A41
Road type Major
Start junction road A411
End junction road B462
Link length 3.90km (2.42 miles)
Easting & Northing 515000,195900
Latitude & longitude 51.65015,-0.33915

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 Manual count 19,272 16,336 2,410 304 28 164 57
2023 Estimated using AADF from previous year on this link 21,863 17,703 3,444 479 17 234 3
2022 Estimated using AADF from previous year on this link 21,398 17,275 3,377 490 18 251 3
2021 Estimated using AADF from previous year on this link 19,834 16,095 3,032 477 18 227 3
2020 Manual count 18,029 14,719 2,648 441 24 219 3
2019 Estimated using AADF from previous year on this link 22,212 18,781 2,507 511 24 291 122
2018 Estimated using AADF from previous year on this link 22,159 18,739 2,515 510 20 271 124
2017 Estimated using AADF from previous year on this link 22,138 18,829 2,402 500 20 277 130
2016 Manual count 22,026 18,852 2,269 486 20 285 134
2015 Estimated using AADF from previous year on this link 23,811 19,795 2,990 553 70 359 114
2014 Estimated using AADF from previous year on this link 22,889 19,216 2,690 520 70 347 116
2013 Estimated using AADF from previous year on this link 22,259 18,783 2,506 531 88 336 103
2012 Estimated using AADF from previous year on this link 22,308 19,010 2,361 518 89 319 99
2011 Manual count 22,362 19,148 2,267 521 95 328 98
2010 Manual count 21,643 18,471 2,243 514 67 251 164
2009 Manual count 23,962 20,734 2,346 545 45 196 141
2008 Manual count 22,248 18,797 2,516 574 64 189 172
2007 Estimated using AADF from previous year on this link 23,846 19,945 2,894 523 57 351 133
2006 Manual count 23,700 20,085 2,613 512 56 349 141
2005 Estimated using AADF from previous year on this link 22,404 18,760 2,298 898 65 326 122
2004 Manual count 22,454 18,893 2,198 896 62 340 127
2003 Estimated using AADF from previous year on this link 24,020 20,178 2,527 781 44 359 175
2002 Manual count 23,287 19,744 2,283 752 52 331 177
2001 Estimated using AADF from previous year on this link 23,047 19,524 2,417 731 48 212 163
2000 Manual count 22,313 18,937 2,288 737 55 192 159

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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 56466 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 56466 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. 264

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