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Road traffic statistics

17036

Details

AADF latest year 2024
Region East of England
Local authority Hertfordshire
Road name A4147
Road type Major
Start junction road King Harry Lane roundabout
End junction road A5183
Link length 1.20km (0.75 miles)
Easting & Northing 513280,207000
Latitude & longitude 51.75026,-0.36039

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 26,464 23,106 2,863 193 30 198 104
2023 Manual count 26,141 22,831 2,813 193 32 200 104
2022 Estimated using AADF from previous year on this link 23,263 20,154 2,640 208 84 132 128
2021 Estimated using AADF from previous year on this link 21,590 18,778 2,370 202 86 119 120
2020 Estimated using AADF from previous year on this link 19,644 17,171 2,070 186 115 115 102
2019 Manual count 26,455 23,515 2,418 209 90 155 158
2018 Estimated using AADF from previous year on this link 29,756 26,335 2,552 533 27 147 189
2017 Manual count 29,770 26,461 2,437 522 27 150 199
2016 Manual count 26,385 23,244 2,538 273 208 151 179
2015 Estimated using AADF from previous year on this link 26,017 22,697 2,644 255 48 190 231
2014 Estimated using AADF from previous year on this link 25,070 22,033 2,379 240 49 184 235
2013 Estimated using AADF from previous year on this link 24,385 21,536 2,216 245 61 178 209
2012 Manual count 24,492 21,797 2,088 237 61 169 202
2011 Estimated using AADF from previous year on this link 25,506 22,643 2,154 322 64 129 258
2010 Manual count 25,596 22,779 2,105 325 74 131 256
2009 Manual count 24,475 21,687 2,058 337 43 163 230
2008 Manual count 28,225 24,753 2,702 337 85 225 208
2007 Estimated using AADF from previous year on this link 28,155 24,827 2,307 586 41 236 199
2006 Estimated using AADF from previous year on this link 28,100 25,003 2,083 570 41 234 210
2005 Estimated using AADF from previous year on this link 27,565 24,585 1,987 558 43 216 219
2004 Manual count 27,664 24,758 1,900 553 41 225 228
2003 Estimated using AADF from previous year on this link 27,710 24,350 2,355 487 29 218 300
2002 Manual count 26,921 23,825 2,127 464 35 201 304
2001 Estimated using AADF from previous year on this link 28,347 25,453 2,109 386 40 154 245
2000 Estimated using AADF from previous year on this link 27,447 24,687 1,997 385 45 140 238

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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 17036 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 17036 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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