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Road traffic statistics

36464

Details

AADF latest year 2024
Region East of England
Local authority Hertfordshire
Road name A4251
Road type Major
Start junction road B4506
End junction road A416
Link length 2.00km (1.24 miles)
Easting & Northing 498000,208421
Latitude & longitude 51.76591,-0.58126

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 12,594 10,530 1,764 176 174 62 60
2023 Estimated using AADF from previous year on this link 12,402 10,373 1,733 175 172 61 60
2022 Estimated using AADF from previous year on this link 12,184 10,182 1,704 177 175 61 59
2021 Estimated using AADF from previous year on this link 11,387 9,533 1,572 171 195 56 55
2020 Estimated using AADF from previous year on this link 10,361 8,653 1,442 160 239 53 54
2019 Estimated using AADF from previous year on this link 13,364 11,391 1,634 182 209 72 85
2018 Estimated using AADF from previous year on this link 13,242 11,250 1,649 183 190 77 84
2017 Manual count 13,345 11,376 1,618 181 172 77 92
2016 Estimated using AADF from previous year on this link 15,976 12,855 2,667 260 60 55 140
2015 Estimated using AADF from previous year on this link 15,560 12,658 2,441 255 65 56 151
2014 Estimated using AADF from previous year on this link 15,208 12,412 2,328 265 70 63 140
2013 Estimated using AADF from previous year on this link 14,729 12,084 2,177 256 72 66 146
2012 Estimated using AADF from previous year on this link 14,735 12,192 2,095 250 73 59 139
2011 Estimated using AADF from previous year on this link 14,891 12,385 2,070 246 77 62 128
2010 Estimated using AADF from previous year on this link 14,727 12,422 1,855 241 70 73 136
2009 Estimated using AADF from previous year on this link 14,662 12,497 1,737 231 70 77 120
2008 Manual count 14,379 12,228 1,711 249 70 69 122
2007 Estimated using AADF from previous year on this link 12,140 10,291 1,484 209 54 61 95
2006 Estimated using AADF from previous year on this link 12,260 10,459 1,409 223 85 65 104
2005 Manual count 12,475 10,661 1,388 239 54 75 112
2004 Estimated using AADF from previous year on this link 12,056 10,233 1,394 224 30 110 95
2003 Estimated using AADF from previous year on this link 11,835 10,102 1,266 183 37 168 116
2002 Manual count 12,082 10,490 1,166 189 41 118 119
2001 Estimated using AADF from previous year on this link 13,540 11,882 1,258 240 58 52 108
2000 Estimated using AADF from previous year on this link 13,917 12,263 1,249 251 60 50 104

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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 36464 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 36464 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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