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Road traffic statistics

47578

Details

AADF latest year 2024
Region East of England
Local authority Hertfordshire
Road name M25
Road type Major
Start junction road 23
End junction road 24
Link length 4.20km (2.61 miles)
Easting & Northing 526053,199950
Latitude & longitude 51.68417,-0.17801

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 155,335 95,707 33,976 24,925 0 353 375
2023 Estimated using AADF from previous year on this link 154,220 95,870 32,993 24,626 0 356 375
2022 Manual count 151,032 93,280 31,947 25,079 0 367 359
2021 Manual count 132,102 79,868 30,191 21,515 0 282 247
2020 Manual count 148,032 83,150 40,479 23,981 0 287 136
2019 Manual count 156,903 103,415 30,247 22,553 0 330 358
2018 Estimated using AADF from previous year on this link 149,563 101,017 25,964 21,744 0 447 391
2017 Manual count 149,324 101,885 25,168 21,432 0 450 390
2016 Estimated using AADF from previous year on this link 162,710 110,280 28,570 23,111 0 511 237
2015 Manual count 159,557 109,387 26,903 22,520 0 504 242
2014 Manual count 145,131 101,439 24,371 18,538 0 449 334
2013 Manual count 138,405 98,206 20,657 18,653 0 451 438
2012 Manual count 140,213 100,384 21,764 17,390 0 421 254
2011 Manual count 149,823 107,731 23,131 17,996 0 540 425
2010 Manual count 130,517 93,001 18,465 18,210 0 460 381
2009 Manual count 124,481 86,150 20,377 16,917 0 688 349
2008 Manual count 128,242 90,024 18,231 18,739 0 720 528
2007 Manual count 129,423 91,051 15,949 21,408 0 499 516
2006 Manual count 119,217 83,839 17,128 16,942 0 646 662
2005 Manual count 131,032 92,242 18,322 19,409 0 507 552
2004 Manual count 128,709 90,856 17,166 19,414 0 518 755
2003 Manual count 133,644 96,022 16,141 20,445 0 565 471
2002 Manual count 130,910 94,872 14,937 20,084 0 589 428
2001 Manual count 130,105 93,582 16,142 19,083 0 572 726
2000 Manual count 125,653 91,223 14,994 18,116 0 621 699

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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 47578 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 47578 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. 504

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