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Road traffic statistics

90151

Details

AADF latest year 2024
Region South East
Local authority West Sussex
Road name A23
Road type Major
Start junction road A2300 southbound off slip
End junction road A2300 northbound
Link length 1.10km (0.68 miles)
Easting & Northing 526864,120632
Latitude & longitude 50.97114,-0.1945

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 59,849 44,184 12,510 2,733 0 283 139
2023 Manual count 59,159 43,862 12,163 2,717 0 279 138
2022 Manual count 58,558 43,728 11,798 2,598 0 307 127
2021 Manual count 53,137 39,023 11,225 2,593 0 223 73
2020 Manual count 42,188 26,660 12,725 2,689 0 107 8
2019 Manual count 61,994 48,062 10,584 2,771 0 443 135
2018 Estimated using AADF from previous year on this link 65,581 50,753 11,311 2,896 0 421 198

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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 90151 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 90151 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. 13
Raw counts Vehicle counts recorded at this count point. 120

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