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Road traffic statistics

57660

Details

AADF latest year 2024
Region South East
Local authority West Sussex
Road name A23
Road type Major
Start junction road A23 / M23 SLIP
End junction road A217
Link length 0.60km (0.37 miles)
Easting & Northing 527674,142274
Latitude & longitude 51.16547,-0.17533

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 Manual count 37,126 30,105 5,432 1,024 24 313 253
2023 Estimated using AADF from previous year on this link 25,479 19,016 5,138 931 42 182 212
2022 Estimated using AADF from previous year on this link 25,058 18,665 5,052 946 43 185 210
2021 Estimated using AADF from previous year on this link 23,410 17,475 4,661 910 48 169 196
2020 Manual count 21,332 15,862 4,275 845 59 159 190
2019 Estimated using AADF from previous year on this link 39,938 32,959 5,509 1,007 41 244 218
2018 Estimated using AADF from previous year on this link 39,594 32,551 5,557 1,009 38 261 216
2017 Estimated using AADF from previous year on this link 39,874 32,914 5,455 1,004 34 264 238
2016 Manual count 39,851 33,158 5,182 995 36 261 255
2015 Estimated using AADF from previous year on this link 35,935 29,257 4,921 1,221 25 225 311
2014 Estimated using AADF from previous year on this link 36,254 29,804 4,678 1,237 27 221 314
2013 Estimated using AADF from previous year on this link 35,866 30,117 4,109 1,137 28 208 295
2012 Manual count 35,981 30,288 4,062 1,109 29 208 314
2011 Estimated using AADF from previous year on this link 42,304 34,395 5,290 1,344 47 306 969
2010 Manual count 42,281 34,567 5,131 1,326 43 288 969
2009 Manual count 41,462 33,931 4,943 1,231 38 369 988
2008 Estimated using AADF from previous year on this link 50,338 42,670 4,746 1,423 44 471 1,028
2007 Manual count 51,022 43,496 4,533 1,471 38 504 1,018
2006 Estimated using AADF from previous year on this link 45,722 39,621 3,845 1,402 71 236 618
2005 Estimated using AADF from previous year on this link 45,521 39,502 3,785 1,377 45 228 629
2004 Estimated using AADF from previous year on this link 46,499 40,515 3,689 1,430 53 226 639
2003 Estimated using AADF from previous year on this link 46,512 40,435 3,722 1,413 66 255 687
2002 Estimated using AADF from previous year on this link 46,739 41,009 3,415 1,318 74 228 769
2001 Estimated using AADF from previous year on this link 46,832 41,091 3,408 1,354 72 226 753
2000 Manual count 46,038 40,285 3,422 1,373 76 219 739

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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 57660 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 57660 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. 192

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