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Road traffic statistics

57768

Details

AADF latest year 2024
Region East of England
Local authority Hertfordshire
Road name A411
Road type Major
Start junction road Beechen Grove split
End junction road A411 Exchange Rd
Link length 0.80km (0.50 miles)
Easting & Northing 510999,196634
Latitude & longitude 51.65755,-0.39672

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 23,806 19,603 2,879 310 93 596 418
2023 Estimated using AADF from previous year on this link 23,441 19,310 2,828 308 92 578 417
2022 Estimated using AADF from previous year on this link 23,047 18,954 2,781 313 94 586 413
2021 Manual count 21,533 17,746 2,565 302 105 536 384
2020 Estimated using AADF from previous year on this link 18,803 16,122 2,072 331 156 130 148
2019 Estimated using AADF from previous year on this link 24,360 21,225 2,348 376 136 176 234
2018 Estimated using AADF from previous year on this link 24,127 20,962 2,369 376 124 187 232
2017 Manual count 24,340 21,196 2,325 374 113 190 256
2016 Estimated using AADF from previous year on this link 25,325 21,831 2,630 366 14 199 299
2015 Estimated using AADF from previous year on this link 24,789 21,496 2,408 360 15 203 323
2014 Estimated using AADF from previous year on this link 25,076 21,898 2,289 364 16 200 325
2013 Manual count 24,971 22,127 2,010 339 17 188 307
2012 Estimated using AADF from previous year on this link 29,897 25,759 2,692 389 22 256 801
2011 Estimated using AADF from previous year on this link 30,137 25,869 2,803 436 23 284 745
2010 Estimated using AADF from previous year on this link 30,170 25,999 2,719 438 21 268 746
2009 Manual count 30,714 26,557 2,705 451 21 291 710
2008 Estimated using AADF from previous year on this link 25,993 22,070 2,558 780 30 343 242
2007 Estimated using AADF from previous year on this link 26,355 22,498 2,443 806 27 368 240
2006 Estimated using AADF from previous year on this link 27,273 23,607 2,240 813 43 364 249
2005 Estimated using AADF from previous year on this link 27,141 23,537 2,204 797 28 350 253
2004 Estimated using AADF from previous year on this link 27,719 24,140 2,148 827 33 347 257
2003 Estimated using AADF from previous year on this link 27,752 24,092 2,168 821 40 394 277
2002 Manual count 27,849 24,434 1,989 765 45 351 310
2001 Estimated using AADF from previous year on this link 26,301 22,892 2,122 475 40 382 430
2000 Estimated using AADF from previous year on this link 25,847 22,443 2,131 482 42 369 422

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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 57768 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 57768 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. 26
Raw counts Vehicle counts recorded at this count point. 72

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