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Road traffic statistics

48307

Details

AADF latest year 2024
Region South West
Local authority Wiltshire
Road name A420
Road type Major
Start junction road Marshfield Rd/Audley Rd
End junction road Ivy Lane
Link length 0.70km (0.43 miles)
Easting & Northing 391717,173816
Latitude & longitude 51.46325,-2.12062

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 11,153 9,353 1,412 222 91 91 75
2023 Estimated using AADF from previous year on this link 10,986 9,214 1,387 222 90 88 75
2022 Estimated using AADF from previous year on this link 10,797 9,044 1,364 226 91 89 74
2021 Estimated using AADF from previous year on this link 10,093 8,467 1,258 217 102 82 69
2020 Estimated using AADF from previous year on this link 9,186 7,686 1,154 202 125 77 67
2019 Estimated using AADF from previous year on this link 11,866 10,118 1,308 230 110 105 105
2018 Manual count 11,758 9,993 1,319 230 100 112 104
2017 Estimated using AADF from previous year on this link 14,535 11,865 2,144 265 69 102 158
2016 Estimated using AADF from previous year on this link 14,524 11,953 2,037 264 72 101 169
2015 Estimated using AADF from previous year on this link 14,180 11,770 1,865 259 77 103 183
2014 Estimated using AADF from previous year on this link 13,874 11,541 1,778 268 83 117 170
2013 Estimated using AADF from previous year on this link 13,459 11,236 1,663 261 86 123 176
2012 Estimated using AADF from previous year on this link 13,468 11,336 1,600 253 87 110 169
2011 Estimated using AADF from previous year on this link 13,615 11,516 1,581 248 92 115 155
2010 Manual count 13,505 11,551 1,417 237 83 136 164
2009 Estimated using AADF from previous year on this link 14,108 11,325 2,149 420 98 86 128
2008 Estimated using AADF from previous year on this link 13,858 11,081 2,117 453 98 77 130
2007 Estimated using AADF from previous year on this link 14,081 11,330 2,073 449 87 80 149
2006 Estimated using AADF from previous year on this link 14,209 11,515 1,969 477 141 84 164
2005 Estimated using AADF from previous year on this link 14,451 11,737 1,940 501 90 96 177
2004 Estimated using AADF from previous year on this link 14,896 12,303 1,820 470 106 116 187
2003 Estimated using AADF from previous year on this link 14,593 12,145 1,653 389 130 177 229
2002 Estimated using AADF from previous year on this link 14,891 12,612 1,522 397 146 125 235
2001 Manual count 14,603 12,413 1,419 417 141 121 233
2000 Estimated using AADF from previous year on this link 16,546 14,362 1,438 330 152 126 290

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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 48307 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 48307 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. 35
Raw counts Vehicle counts recorded at this count point. 48

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