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Road traffic statistics

56014

Details

AADF latest year 2024
Region South East
Local authority Slough
Road name M4
Road type Major
Start junction road LA Boundary
End junction road A4
Link length 0.30km (0.19 miles)
Easting & Northing 493440,180900
Latitude & longitude 51.5193,-0.65467

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 30,703 24,454 4,856 1,285 0 74 34
2023 Estimated using AADF from previous year on this link 30,585 24,495 4,716 1,265 0 75 34
2022 Estimated using AADF from previous year on this link 29,779 23,833 4,566 1,269 0 77 33
2021 Manual count 26,386 21,027 4,014 1,248 0 68 28
2020 Manual count 24,374 18,917 3,884 1,495 0 74 5
2019 Estimated using AADF from previous year on this link 34,580 28,350 4,944 1,095 0 156 34
2018 Estimated using AADF from previous year on this link 34,154 27,922 4,948 1,088 0 162 34
2017 Estimated using AADF from previous year on this link 34,222 28,162 4,796 1,067 0 163 34
2016 Estimated using AADF from previous year on this link 33,838 28,192 4,424 1,012 0 175 35
2015 Estimated using AADF from previous year on this link 33,302 27,964 4,166 964 0 173 36
2014 Estimated using AADF from previous year on this link 32,229 27,291 3,813 924 0 167 34
2013 Manual count 31,770 27,158 3,483 939 0 157 33
2012 Estimated using AADF from previous year on this link 31,309 25,713 4,120 1,112 0 223 141
2011 Estimated using AADF from previous year on this link 31,364 26,086 3,818 1,096 0 233 131
2010 Estimated using AADF from previous year on this link 31,309 26,138 3,714 1,110 0 222 125
2009 Manual count 31,715 26,698 3,589 1,076 0 235 117
2008 Estimated using AADF from previous year on this link 26,816 21,010 4,194 1,236 0 285 91
2007 Estimated using AADF from previous year on this link 26,704 21,180 3,920 1,231 0 296 77
2006 Estimated using AADF from previous year on this link 28,278 22,922 3,747 1,255 0 281 73
2005 Estimated using AADF from previous year on this link 27,885 22,853 3,489 1,225 0 241 77
2004 Estimated using AADF from previous year on this link 27,797 23,130 3,144 1,211 0 243 69
2003 Estimated using AADF from previous year on this link 27,867 23,294 3,047 1,123 0 277 126
2002 Manual count 27,369 22,927 2,915 1,163 0 257 107
2001 Estimated using AADF from previous year on this link 27,483 22,453 3,749 935 0 268 78
2000 Estimated using AADF from previous year on this link 26,680 21,799 3,651 892 0 262 76

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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 56014 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 56014 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. 120

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