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Road traffic statistics

27727

Details

AADF latest year 2024
Region South East
Local authority Buckinghamshire
Road name A4155
Road type Major
Start junction road B482
End junction road A404
Link length 1.80km (1.12 miles)
Easting & Northing 484990,186786
Latitude & longitude 51.57355,-0.775

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 15,655 13,152 1,802 365 150 238 98
2023 Estimated using AADF from previous year on this link 15,416 12,956 1,771 362 148 230 97
2022 Manual count 15,155 12,717 1,741 367 151 234 97
2021 Estimated using AADF from previous year on this link 15,585 12,987 2,166 304 81 54 75
2020 Estimated using AADF from previous year on this link 14,181 11,788 1,987 283 99 51 73
2019 Estimated using AADF from previous year on this link 18,277 15,519 2,252 322 87 69 115
2018 Estimated using AADF from previous year on this link 18,109 15,327 2,271 323 79 73 114
2017 Estimated using AADF from previous year on this link 18,248 15,497 2,230 322 72 74 126
2016 Estimated using AADF from previous year on this link 18,259 15,612 2,118 321 75 73 135
2015 Estimated using AADF from previous year on this link 17,847 15,372 1,939 316 80 75 145
2014 Estimated using AADF from previous year on this link 17,469 15,074 1,849 327 86 85 135
2013 Manual count 16,952 14,676 1,729 319 89 89 140
2012 Estimated using AADF from previous year on this link 17,053 14,120 2,273 438 77 84 138
2011 Estimated using AADF from previous year on this link 17,237 14,344 2,246 432 81 88 127
2010 Estimated using AADF from previous year on this link 17,062 14,388 2,013 423 73 104 134
2009 Estimated using AADF from previous year on this link 16,989 14,474 1,885 403 73 109 118
2008 Estimated using AADF from previous year on this link 16,675 14,162 1,857 438 73 98 120
2007 Estimated using AADF from previous year on this link 16,978 14,480 1,820 436 65 103 139
2006 Estimated using AADF from previous year on this link 17,174 14,715 1,728 471 104 107 153
2005 Manual count 17,481 15,000 1,702 491 66 124 164
2004 Estimated using AADF from previous year on this link 18,807 15,903 1,997 565 85 180 162
2003 Estimated using AADF from previous year on this link 18,450 15,699 1,813 467 105 273 198
2002 Manual count 18,845 16,302 1,670 478 117 192 203
2001 Estimated using AADF from previous year on this link 18,879 16,158 2,014 335 117 169 203
2000 Estimated using AADF from previous year on this link 19,378 16,674 2,000 348 122 162 194

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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 27727 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 27727 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. 96

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