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Road traffic statistics

74654

Details

AADF latest year 2024
Region East of England
Local authority Hertfordshire
Road name A1(M)
Road type Major
Start junction road A1
End junction road M25
Link length 0.50km (0.31 miles)
Easting & Northing 522440,199970
Latitude & longitude 51.68515,-0.23024

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 from nearby links 41,141 29,690 9,639 1,401 0 297 113
2023 Automatic counter 31,831 22,634 7,732 1,167 0 203 95
2022 Automatic counter 31,332 22,270 7,571 1,188 0 212 92
2021 Estimated using AADF from previous year on this link 27,740 19,648 6,655 1,169 0 188 80
2020 Estimated using AADF from previous year on this link 24,198 17,187 5,693 1,053 0 184 80
2019 Estimated from nearby links 52,453 38,896 10,993 1,948 0 410 206
2018 Estimated from nearby links 50,309 37,533 9,982 2,149 0 477 167
2017 Estimated from nearby links 49,936 37,661 9,533 2,115 0 455 172
2016 Estimated from nearby links 49,300 35,759 10,204 2,457 0 662 217
2015 Estimated from nearby links 47,362 34,720 9,449 2,343 0 637 213
2014 Estimated from nearby links 51,250 39,262 8,657 2,506 0 574 250
2013 Estimated from nearby links 49,634 38,376 8,095 2,349 0 603 211
2012 Estimated from nearby links 46,482 37,075 6,616 2,119 0 476 196
2011 Estimated from nearby links 48,786 37,370 8,219 2,290 0 639 268
2010 Estimated from nearby links 47,720 37,069 7,779 1,879 0 721 272
2009 Estimated from nearby links 46,369 35,716 7,713 2,036 0 643 261
2008 Estimated from nearby links 51,432 39,445 8,601 2,419 0 709 258
2007 Estimated from nearby links 47,159 36,311 7,544 2,505 0 536 263
2006 Estimated from nearby links 49,072 38,337 7,167 2,611 0 693 264
2005 Estimated from nearby links 46,256 37,034 6,186 2,043 0 738 255
2004 Estimated from nearby links 45,154 36,261 6,067 2,146 0 464 216
2003 Estimated from nearby links 47,602 37,991 5,827 2,560 0 872 352
2002 Estimated from nearby links 46,703 36,888 6,026 2,591 0 938 260
2001 Estimated from nearby links 42,508 33,453 6,083 2,159 0 519 294
2000 Estimated from nearby links 44,383 36,098 5,409 1,942 0 706 228

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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 74654 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 74654 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. 29
Raw counts Vehicle counts recorded at this count point. 0

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