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Road traffic statistics

90299

Details

AADF latest year 2024
Region South East
Local authority West Sussex
Road name A23
Road type Major
Start junction road Fleming Way roundabout
End junction road A23 / M23 SLIP
Link length 5.10km (3.17 miles)
Easting & Northing 527800,140020
Latitude & longitude 51.14518,-0.17433

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 19,440 16,297 2,406 317 20 176 244
2023 Manual count 19,147 16,053 2,364 317 19 171 243
2022 Estimated using AADF from previous year on this link 21,024 17,512 2,796 385 39 165 166
2021 Estimated using AADF from previous year on this link 19,652 16,395 2,579 372 44 151 155
2020 Estimated using AADF from previous year on this link 17,887 14,882 2,366 347 53 143 150
2019 Estimated using AADF from previous year on this link 23,098 19,592 2,681 395 47 193 237
2018 Manual count 22,890 19,349 2,704 396 43 206 235

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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 90299 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 90299 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. 7
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. 14
Raw counts Vehicle counts recorded at this count point. 48

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