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Road traffic statistics

26436

Details

AADF latest year 2021
Region South East
Local authority Buckinghamshire
Road name A40
Road type Major
Start junction road A4094
End junction road A355
Link length 4.70km (2.92 miles)
Easting & Northing 494300,190030
Latitude & longitude 51.60123,-0.63983

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
2021 Estimated using AADF from previous year on this link 12,743 10,659 1,612 257 46 135 81
2020 Estimated using AADF from previous year on this link 11,598 9,675 1,479 239 56 127 78
2019 Estimated using AADF from previous year on this link 14,981 12,737 1,676 271 49 172 124
2018 Estimated using AADF from previous year on this link 14,849 12,579 1,691 273 45 184 122
2017 Manual count 14,971 12,720 1,660 272 41 186 135
2016 Estimated using AADF from previous year on this link 15,685 12,628 2,508 292 53 98 159
2015 Estimated using AADF from previous year on this link 15,284 12,434 2,296 282 56 100 172
2014 Estimated using AADF from previous year on this link 14,947 12,192 2,190 292 61 113 160
2013 Estimated using AADF from previous year on this link 14,479 11,871 2,048 277 63 118 166
2012 Estimated using AADF from previous year on this link 14,474 11,976 1,970 263 63 106 159
2011 Estimated using AADF from previous year on this link 14,621 12,166 1,947 251 67 111 146
2010 Estimated using AADF from previous year on this link 14,471 12,203 1,745 237 61 131 155
2009 Estimated using AADF from previous year on this link 14,420 12,277 1,634 235 61 137 137
2008 Manual count 14,137 12,013 1,610 252 61 123 139
2007 Estimated using AADF from previous year on this link 13,822 11,591 1,405 420 15 141 265
2006 Manual count 14,001 11,779 1,334 450 25 147 291
2005 Manual count 14,868 12,825 1,352 381 22 119 191
2004 Manual count 13,445 11,516 1,314 400 12 98 117
2003 Manual count 15,559 13,427 1,397 440 64 106 189
2002 Manual count 14,490 12,380 1,362 517 32 108 123
2001 Manual count 15,419 13,309 1,105 695 76 136 174
2000 Estimated using AADF from previous year on this link 16,895 14,534 1,662 387 56 146 166

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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 26436 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 26436 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. 22
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. 44
Raw counts Vehicle counts recorded at this count point. 192

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