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Road traffic statistics

6177

Details

AADF latest year 2024
Region East of England
Local authority Hertfordshire
Road name A1081
Road type Major
Start junction road Beesonend Lane, Harpenden
End junction road Sandridgebury Lane, St Albans
Link length 3.00km (1.86 miles)
Easting & Northing 514330,211200
Latitude & longitude 51.78779,-0.34381

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 14,656 12,346 1,678 174 159 368 90
2023 Estimated using AADF from previous year on this link 14,484 12,199 1,649 174 165 371 90
2022 Manual count 14,190 11,905 1,617 178 175 399 91
2021 Estimated using AADF from previous year on this link 11,449 8,956 1,972 371 114 78 72
2020 Estimated using AADF from previous year on this link 10,393 8,190 1,722 344 153 75 61
2019 Estimated using AADF from previous year on this link 13,811 11,215 2,011 388 120 101 95
2018 Manual count 13,782 11,191 2,018 382 99 94 97
2017 Estimated using AADF from previous year on this link 15,034 12,302 2,155 336 174 152 89
2016 Estimated using AADF from previous year on this link 14,927 12,317 2,036 326 173 156 91
2015 Estimated using AADF from previous year on this link 14,611 12,166 1,886 311 174 156 93
2014 Manual count 14,044 11,810 1,696 293 175 151 94
2013 Estimated using AADF from previous year on this link 14,455 12,109 1,799 312 130 127 108
2012 Estimated using AADF from previous year on this link 14,474 12,255 1,694 299 132 121 105
2011 Estimated using AADF from previous year on this link 14,493 12,344 1,627 295 141 124 103
2010 Manual count 14,532 12,418 1,591 296 162 126 101
2009 Estimated using AADF from previous year on this link 15,925 13,726 1,790 201 114 117 91
2008 Manual count 16,053 13,907 1,733 214 99 112 87
2007 Estimated using AADF from previous year on this link 17,991 15,233 2,144 371 87 119 124
2006 Manual count 17,891 15,340 1,936 364 87 119 132
2005 Estimated using AADF from previous year on this link 15,844 13,555 1,598 422 73 133 136
2004 Manual count 15,877 13,650 1,527 420 69 139 141
2003 Estimated using AADF from previous year on this link 18,022 15,262 1,859 530 72 214 157
2002 Manual count 17,477 14,934 1,679 508 86 197 159
2001 Manual count 19,441 17,132 1,587 358 58 121 243
2000 Manual count 14,522 12,512 1,462 309 151 121 118

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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 6177 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 6177 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. 240

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