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Road traffic statistics

92016

Details

AADF latest year 2024
Region London
Local authority Hillingdon
Road name A40
Road type Major
Start junction road lat: 51.5594 long: -0.4743
End junction road lat: 51.5555 long: -0.4585
Link length 1.20km (0.75 miles)
Easting & Northing 506800,185280
Latitude & longitude 51.55631,-0.46086

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 104,882 79,958 18,628 4,815 0 1,156 325
2023 Manual count 95,234 71,738 15,816 6,333 4 1,016 331
2022 Manual count 105,154 80,375 16,486 6,669 4 1,151 473
2021 Estimated using AADF from previous year on this link 83,932 59,238 17,484 6,337 49 796 78
2020 Manual count 78,008 54,909 16,399 5,926 55 697 77

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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 92016 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 92016 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. 5
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. 10
Raw counts Vehicle counts recorded at this count point. 96

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