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Road traffic statistics

70369

Details

AADF latest year 2024
Region South East
Local authority Buckinghamshire
Road name A4157
Road type Major
Start junction road A418
End junction road A41
Link length 1.30km (0.81 miles)
Easting & Northing 483500,214177
Latitude & longitude 51.82,-0.78994

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 19,545 15,286 2,979 1,175 145 94 12
2023 Estimated using AADF from previous year on this link 19,275 15,058 2,927 1,188 143 91 12
2022 Estimated using AADF from previous year on this link 18,974 14,780 2,878 1,212 146 92 12
2021 Estimated using AADF from previous year on this link 17,762 13,838 2,655 1,174 163 84 11
2020 Manual count 16,181 12,560 2,435 1,095 199 80 10
2019 Estimated using AADF from previous year on this link 17,122 13,581 2,623 782 89 65 71
2018 Estimated using AADF from previous year on this link 16,977 13,413 2,646 779 82 69 70
2017 Estimated using AADF from previous year on this link 17,075 13,562 2,597 769 74 70 77
2016 Estimated using AADF from previous year on this link 17,043 13,663 2,467 761 77 69 83
2015 Estimated using AADF from previous year on this link 16,632 13,453 2,259 761 83 71 89
2014 Manual count 16,290 13,192 2,154 782 89 80 83
2013 Estimated using AADF from previous year on this link 17,873 13,906 2,995 694 89 96 183
2012 Estimated using AADF from previous year on this link 17,853 14,030 2,882 681 90 86 175
2011 Estimated using AADF from previous year on this link 18,030 14,252 2,848 679 95 90 161
2010 Estimated using AADF from previous year on this link 17,782 14,295 2,552 658 86 107 170
2009 Estimated using AADF from previous year on this link 17,676 14,382 2,390 641 86 113 150
2008 Estimated using AADF from previous year on this link 17,373 14,072 2,354 694 86 101 152
2007 Estimated using AADF from previous year on this link 17,677 14,390 2,306 702 76 105 174
2006 Manual count 17,873 14,623 2,190 760 122 109 191
2005 Estimated using AADF from previous year on this link 17,481 13,988 2,297 1,004 34 79 113
2004 Estimated using AADF from previous year on this link 18,009 14,663 2,155 975 40 96 120
2003 Estimated using AADF from previous year on this link 17,556 14,475 1,957 832 50 146 146
2002 Manual count 17,942 15,031 1,802 856 56 103 150
2001 Manual count 19,173 16,299 1,919 729 76 135 91
2000 Manual count 25,877 22,742 2,015 744 71 230 146

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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 70369 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 70369 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. 144

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