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Road traffic statistics

46464

Details

AADF latest year 2024
Region East of England
Local authority Hertfordshire
Road name A41
Road type Major
Start junction road A412
End junction road A405
Link length 1.60km (0.99 miles)
Easting & Northing 510229,199521
Latitude & longitude 51.68365,-0.40694

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 26,240 21,213 4,101 574 30 249 103
2023 Estimated using AADF from previous year on this link 25,845 20,896 4,029 576 30 241 103
2022 Manual count 25,406 20,510 3,962 587 30 245 102
2021 Estimated using AADF from previous year on this link 16,481 12,814 2,754 736 9 142 35
2020 Estimated using AADF from previous year on this link 15,009 11,631 2,527 684 11 134 34
2019 Estimated using AADF from previous year on this link 19,188 15,312 2,863 778 10 181 54
2018 Estimated using AADF from previous year on this link 19,033 15,122 2,888 776 9 193 53
2017 Manual count 19,152 15,291 2,835 772 8 195 59
2016 Estimated using AADF from previous year on this link 29,684 23,780 4,602 825 75 335 141
2015 Estimated using AADF from previous year on this link 28,934 23,415 4,213 810 80 343 152
2014 Estimated using AADF from previous year on this link 29,165 23,853 4,006 816 86 337 154
2013 Manual count 28,842 24,103 3,518 760 89 317 145
2012 Estimated using AADF from previous year on this link 23,854 20,044 2,902 592 103 224 92
2011 Estimated using AADF from previous year on this link 24,139 20,129 3,022 654 109 248 86
2010 Estimated using AADF from previous year on this link 24,133 20,230 2,931 652 98 234 86
2009 Manual count 24,596 20,664 2,916 680 98 254 82
2008 Estimated using AADF from previous year on this link 28,045 23,207 3,659 821 33 223 135
2007 Estimated using AADF from previous year on this link 28,374 23,657 3,495 850 29 239 133
2006 Estimated using AADF from previous year on this link 29,260 24,823 3,203 858 46 237 139
2005 Estimated using AADF from previous year on this link 29,114 24,749 3,153 844 29 227 141
2004 Manual count 29,706 25,384 3,073 881 35 225 143
2003 Estimated using AADF from previous year on this link 30,758 25,564 3,731 992 44 370 101
2002 Estimated using AADF from previous year on this link 30,719 25,927 3,423 926 49 330 113
2001 Manual count 30,786 25,979 3,417 953 47 326 111
2000 Estimated using AADF from previous year on this link 28,391 23,764 3,259 947 33 311 110

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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 46464 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 46464 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. 144

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