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Road traffic statistics

501

Details

AADF latest year 2024
Region Wales
Local authority Newport
Road name M4
Road type Major
Start junction road 28
End junction road 27
Link length 2.20km (1.37 miles)
Easting & Northing 328415,187298
Latitude & longitude 51.57998,-3.03449

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 Manual count 109,969 80,704 19,252 9,325 0 324 364
2023 Estimated using AADF from previous year on this link 102,564 76,253 17,529 8,181 0 250 350
2022 Manual count 100,086 74,193 16,973 8,327 0 258 335
2021 Estimated using AADF from previous year on this link 95,956 68,639 17,519 9,413 0 221 164
2020 Manual count 84,004 60,041 14,988 8,594 0 217 164
2019 Manual count 110,770 84,337 16,532 9,022 0 427 452
2018 Estimated using AADF from previous year on this link 119,339 92,287 16,556 9,732 0 304 459
2017 Manual count 119,481 93,081 16,049 9,588 0 305 457
2016 Manual count 118,965 93,082 15,770 9,355 0 353 404
2015 Manual count 121,952 95,242 16,294 9,666 0 318 431
2014 Manual count 113,134 89,665 13,929 8,578 0 406 556
2013 Manual count 105,981 84,596 11,891 8,455 0 449 589
2012 Manual count 107,034 84,757 12,475 8,783 0 511 508
2011 Manual count 110,939 87,568 13,003 9,393 0 526 449
2010 Manual count 107,226 83,638 12,982 9,522 0 465 619
2009 Manual count 112,682 89,623 12,766 9,084 0 732 477
2008 Estimated using AADF from previous year on this link 110,445 86,248 12,576 10,394 0 553 674
2007 Estimated using AADF from previous year on this link 112,421 88,279 12,281 10,818 0 523 520
2006 Manual count 111,210 87,665 11,597 10,982 0 507 459
2005 Estimated using AADF from previous year on this link 114,804 89,870 13,396 10,671 0 395 472
2004 Manual count 114,626 89,870 12,942 10,969 0 391 454
2003 Estimated using AADF from previous year on this link 101,002 77,650 11,728 10,769 0 393 462
2002 Manual count 103,039 79,559 11,387 11,296 0 348 449
2001 Manual count 94,265 72,449 9,907 11,009 0 420 480
2000 Manual count 97,147 75,586 9,347 11,313 0 327 574

Download data

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 501 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 501 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. 432

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